Jean Claude Niyonzima, a suspected member of the ruling party's Imbonerakure youth militia, pleads with soldiers to protect him from a mob of demonstrators after he came out of hiding in a sewer in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. Niyonzima fled from his house into the sewer under a hail of stones thrown by a mob protesting President Pierre Nkurunziza's decision to seek a third term in office. At least one protestor has died in clashed with the widely feared Imbonerakure militias and police, sending scores to the streets seeking revenge. (Photo by Jerome Delay/AP Photo)

Jean Claude Niyonzima, a suspected member of the ruling party's Imbonerakure youth militia, pleads with soldiers to protect him from a mob of demonstrators after he emerged from hiding in a sewer in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

A crying woman argues with demonstrators who cornered a suspected member of the ruling party's Imbonerakure youth militia at his home in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. Jean Claude Niyonzima, a suspected member of the ruling party's Imbonerakure youth militia, fled from his house into a sewer under a hail of stones thrown by a mob protesting against President Pierre Nkurunziza's decision to seek a third term in office. He was later saved by soldiers. At least one protestor died in clashes with Imbonerakure militia and police. (Photo by Jerome Delay/AP Photo)

A protester lays dead after being shot in the Kinama district of Bujumbura, Burundi, Thursday May 7, 2015. Demonstrators protesting against President Pierre Nkurunziza's decision to seek a third term in office clashed with the widely feared pro-government Imbonerakure militias and police, as unrest continues in the Burundi capital. (Photo by Jerome Delay/AP Photo)

A police officer hit by a stone thrown by demonstrators runs as police uses bulldozers and water canons to clear the barricades in the Nyakabyga district of Bujumbura, Burundi, Friday, May 8, 2015. President Pierre Nkurunziza's officially filed to become a candidate for a potential third term in office. (Photo by Jerome Delay/AP Photo)

Demonstrators duck and run from soldiers firing into the air to disperse a crowd of demonstrators who had cornered Jean Claude Niyonzima a suspected member of the ruling party's Imbonerakure youth militia in a sewer in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. At least one protestor has died in clashed with the widely feared Imbonerakure militias and police, sending scores to the streets seeking revenge. Jean Claude Niyonzima managed to flee from his house under a hail of stones into a covered sewer, where he remained till the army fired shots into the air to disperse the crowd. (Photo by Jerome Delay/AP Photo)

Demonstrators protesting against President Pierre Nkurunziza's decision to seek a third term in office confront a man in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Demonstrators corner a suspected member of the ruling party's Imbonerakure youth militia at his home in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

A police officer keeps an eye on demonstrators as a water canon clears barricades in the Nyakabyga district of Bujumbura, Burundi, Friday, May 8, 2015. (Photo by Jerome Delay/AP Photo)

Demonstrators duck and run from soldiers firing into the air to disperse the crowd of demonstrators who had cornered Jean Claude Niyonzima a suspected member of the ruling party's Imbonerakure youth militia in a sewer in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. At least one protestor has died in clashed with the widely feared Imbonerakure militias and police, sending scores to the streets seeking revenge. Jean Claude Niyonzima managed to flee from his house under a hail of stones into a covered sewer, where he remained till the army fired shots into the air to disperse the crowd. (Photo by Jerome Delay/AP Photo)

Soldiers disperse a crowd by firing into the air after demonstrators cornered Jean Claude Niyonzima a suspected member of the ruling party's Imbonerakure youth militia in a sewer in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Jean Claude Niyonzima, a suspected member of the ruling party's Imbonerakure youth militia, flees from his house while surrounded by a mob of demonstrators protesting against President Pierre Nkurunziza's decision to seek a third term in office, in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

A suspected Imbonerakure militiaman runs away from demonstrators protesting President Pierre Nkurunziza's decision to seek a third term in office, throwing stones in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Demonstrators prepare to flush out Jean Claude Niyonzima a suspected member of the ruling party's Imbonerakure youth militia who escaped a lynching by escaping into a sewer in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Soldiers run after demonstrators protesting President Pierre Nkurunziza's decision to seek a third term in office who caught and stoned a suspected Imbonerakure militiaman in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

A protester carries a tyre to be used to erect a barricade as they demonstrate against the ruling CNDD-FDD party's decision to allow Burundian President Pierre Nkurunziza to run for a third five-year term in office, in Bujumbura, May 7, 2015. Protesters were back on the streets of Burundi's capital on Thursday and one person was killed after President Pierre Nkurunziza told demonstrators to halt rallies against his third term bid, promising to make it his last if he wins. Opponents say the president, who has been in office since the end of an ethnically fuelled civil war in 2005, is violating the peace deal and constitution by seeking a new five-year term. (Photo by Jean Pierre Aime Harerimana/Reuters)

Protesters erect a barricade as they demonstrate against the ruling CNDD-FDD party's decision to allow Burundian President Pierre Nkurunziza to run for a third five-year term in office, in Bujumbura, May 7, 2015. (Photo by Jean Pierre Aime Harerimana/Reuters)

Protesters erect a barricade as they demonstrate against the ruling CNDD-FDD party's decision to allow Burundian President Pierre Nkurunziza to run for a third five-year term in office, in Bujumbura, May 7, 2015. (Photo by Jean Pierre Aime Harerimana/Reuters)

A soldier walks past a barricade erected on the road by demonstrators protesting against the ruling CNDD-FDD party's decision to allow Burundian President Pierre Nkurunziza to run for a third five-year term in office, in Bujumbura, May 7, 2015. (Photo by Jean Pierre Aime Harerimana/Reuters)

Protesters barricade a road as they demonstrate against plans by Burundian President Pierre Nkurunziza to run for a third five-year term in office, in Bujumbura, May 8, 2015. (Photo by Jean Pierre Aime Harerimana/Reuters)

A protester poses for a photograph as they barricade a road to demonstrate against plans by Burundian President Pierre Nkurunziza to run for a third five-year term in office, in Bujumbura, May 8, 2015. (Photo by Jean Pierre Aime Harerimana/Reuters)

Protesters carry a signboard to set up a barricade in Bujumbura, Burundi May 9, 2015. Burundi's leading opposition figure Agathon Rwasa on Saturday registered to run in a coming presidential election against Pierre Nkurunziza, whose quest for a third term has sparked two weeks of protests. (Photo by Goran Tomasevic/Reuters)

Protesters push a metal container to set up a barricade in Bujumbura, Burundi May 9, 2015. (Photo by Goran Tomasevic/Reuters)

Jean Claude Niyonzima, a suspected member of the ruling party's Imbonerakure youth militia, sits under soldiers' protection from a mob of demonstrators after he came out of hiding in a sewer in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Demonstrators duck and run from soldiers firing into the air to disperse a crowd of demonstrators who had cornered Jean Claude Niyonzima a suspected member of the ruling party's Imbonerakure youth militia in a sewer in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

A Soldiers check the vital signs of a wounded suspected Imbonerakure militiaman who was attacked by demonstrators protesting against President Pierre Nkurunziza's decision to seek a third term in office in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Jean Claude Niyonzima, a suspected member of the ruling party's Imbonerakure youth militia, falls in the sewer as he flees from his house under a hail of stones thrown by a mob protesting against President Pierre Nkurunziza's decision to seek a third term in office, in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Jean Claude Niyonzima, a suspected member of the ruling party's Imbonerakure youth militia, is restrained as a mob gathers around his house, as protests continue against President Pierre Nkurunziza's decision to seek a third term in office in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Jean Claude Niyonzima, a suspected member of the ruling party's Imbonerakure youth militia, flees from his house into a sewer under a hail of stones thrown by a mob protesting against President Pierre Nkurunziza's decision to seek a third term in office, in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Soldiers lift a wounded suspected Imbonerakure militiaman who was attacked by demonstrators protesting against President Pierre Nkurunziza's decision to seek a third term in office in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Demonstrators duck and run from soldiers firing into the air to disperse a crowd of demonstrators who had cornered Jean Claude Niyonzima a suspected member of the ruling party's Imbonerakure youth militia in a sewer in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Demonstrators duck and run from soldiers firing into the air to disperse a crowd of demonstrators who had cornered Jean Claude Niyonzima a suspected member of the ruling party's Imbonerakure youth militia in a sewer in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Jean Claude Niyonzima, a suspected member of the ruling party's Imbonerakure youth militia, tries to flee as he pleads for his life at his house, attacked by demonstrators protesting President Pierre Nkurunziza's decision to seek a third term in office in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Protesters opposed to President Pierre Nkurunziza's decision to seek a third term in office shout at the army after a demonstrator was shot dead in the Kinama district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Jean Claude Niyonzima, a suspected member of the ruling party's Imbonerakure youth militia, pleads for his life as he is surrounded at his house by demonstrators protesting President Pierre Nkurunziza's decision to seek a third term in office in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Demonstrators argue with soldiers who want to stop them from killing Jean Claude Niyonzima a suspected member of the ruling party's Imbonerakure youth militia in a sewer in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

Soldiers disperse a crowd by firing into the air after demonstrators cornered Jean Claude Niyonzima a suspected member of the ruling party's Imbonerakure youth militia in a sewer in the Cibitoke district of Bujumbura, Burundi, Thursday May 7, 2015. (Photo by Jerome Delay/AP Photo)

A protester with his face smeared with soot from burning barricades stands in the Musaga neighbourhood of Bujumbura on May 6, 2015. Government and opposition rivals are meeting in Burundi in a bid to end deadly demonstrations against a third term bid by the president, as regional foreign ministers arrived to add pressure. (Photo by Phil Moore/AFP Photo)

A man begs for help from the military from a gutter where he had hid himself on May 7, 2015 to escape a lynching by a mob at the Cibitoke district of Burundi capital, Bujumbura. The man suspected to be an “Imbonerakure”, or member of the Youth League of Burundi's ruling party was finally saved by the army. At least three people were killed in clashes in Burundi today in protests over the president's bid for a third term. (Photo by Aymeric Vincenot/AFP Photo)