Supporters of pro-democracy group “Bersih” (Clean) gather near Chinatown in Malaysia's capital city of Kuala Lumpur, Malaysia, August 29, 2015. Thousands of protesters gathered in Kuala Lumpur on Saturday for a two-day rally to demand the resignation of Prime Minister Najib Razak, bringing to the streets a political crisis over a multi-million-dollar payment made to an account under his name. (Photo by Athit Perawongmetha/Reuters)

Supporters of pro-democracy group “Bersih” (Clean) gather at Central Market in Malaysia's capital city of Kuala Lumpur, August 29, 2015. (Photo by Athit Perawongmetha/Reuters)

Supporters of pro-democracy group “Bersih” (Clean) gather near Chinatown in Malaysia's capital city of Kuala Lumpur, Malaysia, August 29, 2015. (Photo by Athit Perawongmetha/Reuters)

Supporters of pro-democracy group “Bersih” (Clean) gather near Chinatown in Malaysia's capital city of Kuala Lumpur, Malaysia, August 29, 2015. (Photo by Athit Perawongmetha/Reuters)

Supporters of pro-democracy group “Bersih” (Clean) gather near Chinatown in Malaysia's capital city of Kuala Lumpur, Malaysia, August 29, 2015. (Photo by Athit Perawongmetha/Reuters)

Supporters of pro-democracy group “Bersih” (Clean) gather at Central Market in Malaysia's capital city of Kuala Lumpur, August 29, 2015. (Photo by Athit Perawongmetha/Reuters)

Supporters of pro-democracy group “Bersih” (Clean) gather at the Kuala Lumpur and Selangor Chinese Assembly Hall ahead of their march in Malaysia's capital city of Kuala Lumpur August 29, 2015. (Photo by Edgar Su/Reuters)

Supporters of pro-democracy group “Bersih” (Clean) take selfie photos with a recently vandalised Volkswagen Beetle used to promote the rally, at the Kuala Lumpur and Selangor Chinese Assembly Hall, ahead of their march in Malaysia's capital city of Kuala Lumpur August 29, 2015. (Photo by Edgar Su/Reuters)

A shopkeeper wearing a pro-democracy group “Bersih” (Clean) mask tends a stall at the Kuala Lumpur and Selangor Chinese Assembly Hall in Malaysia's capital city of Kuala Lumpur August 29, 2015. (Photo by Edgar Su/Reuters)

A shopkeeper selling pro-democracy group “Bersih” (Clean) merchandise at the Kuala Lumpur and Selangor Chinese Assembly Hall ahead of their march, in Malaysia's capital city of Kuala Lumpur August 29, 2015. (Photo by Edgar Su/Reuters)

A supporter of pro-democracy group “Bersih” (Clean) looks at his route on a map in Malaysia's capital city of Kuala Lumpur August 29, 2015. (Photo by Edgar Su/Reuters)

A stallkeeper arranges pro-democracy group “Bersih” (Clean) banners at his stall in Malaysia's capital city of Kuala Lumpur August 29, 2015. (Photo by Edgar Su/Reuters)

A shopkeeper sells pro-democracy group “Bersih” (Clean) merchandise from the back of her car at the Kuala Lumpur and Selangor Chinese Assembly Hall in Malaysia's capital city of Kuala Lumpur August 29, 2015. (Photo by Edgar Su/Reuters)

Supporters of pro-democracy group “Bersih” (Clean) gather at Central Market in Malaysia's capital city of Kuala Lumpur August 29, 2015. (Photo by Edgar Su/Reuters)

Supporters of pro-democracy group “Bersih” (Clean) gather at Central Market in Malaysia's capital city of Kuala Lumpur August 29, 2015. (Photo by Edgar Su/Reuters)

Pro-democracy group “Bersih” (Clean) chairwoman Maria Chin Abdullah (C) rallies supporters as they prepare to march towards Dataran Merdeka in Malaysia's capital city of Kuala Lumpur August 29, 2015. (Photo by Edgar Su/Reuters)

Supporters of pro-democracy group “Bersih” (Clean) gather at Jalan Tun Perak in Malaysia's capital city of Kuala Lumpur August 29, 2015. (Photo by Edgar Su/Reuters)

Supporters of pro-democracy group “Bersih” (Clean) pass a taxi decorated with Malaysian flags as they march towards Dataran Mederka in Malaysia's capital city of Kuala Lumpur August 29, 2015. (Photo by Edgar Su/Reuters)

Supporters of pro-democracy group “Bersih” (Clean) gather as they prepare to march to Dataran Mederka in Malaysia's capital city of Kuala Lumpur August 29, 2015. (Photo by Edgar Su/Reuters)

Protesters take photos in front of police barricades ahead of a rally organised by pro-democracy group “Bersih” (Clean) in Malaysia's capital city of Kuala Lumpur, August 29, 2015. (Photo by Olivia Harris/Reuters)

Protesters march at a rally organised by pro-democracy group “Bersih” (Clean) in Malaysia's capital city of Kuala Lumpur, August 29, 2015. The placard reads, “Corruptor”. (Photo by Olivia Harris/Reuters)

Police block a road ahead of a protest organised by pro-democracy group “Bersih” (Clean) in Malaysia's capital city of Kuala Lumpur, August 29, 2015. (Photo by Olivia Harris/Reuters)

Protesters march at a rally organised by pro-democracy group “Bersih” (Clean) in Malaysia's capital city of Kuala Lumpur, August 29, 2015. The placards read, “Corruptor” and “We are not against prime minister, we just hate Najib” (L). (Photo by Olivia Harris/Reuters)

Police prepare for a protest organised by pro-democracy group “Bersih” (Clean) in Malaysia's capital city of Kuala Lumpur, August 29, 2015. (Photo by Olivia Harris/Reuters)

Activists from the Coalition for Clean and Fair Elections (BERSIH) marches during a rally in Kuala Lumpur, Malaysia on Saturday, August 29, 2015. Malaysian activists are putting more pressure on embattled Prime Minister Najib Razak to resign with major street rallies this weekend following allegations of suspicious money transfers into his accounts. (Photo by Joshua Paul/AP Photo)

Activists from the Coalition for Clean and Fair Elections (BERSIH) sleep overnight along the pavement during a rally in Kuala Lumpur, Malaysia, Sunday, August 30, 2015. Tens of thousands of Malaysians wearing yellow T-shirts and blowing horns defiantly held a major rally in the capital Saturday to demand the resignation of embattled Prime Minister Najib Razak. (Photo by Joshua Paul/AP Photo)

Malaysian opposition leader Wan Azizah, center joina thousand of protesters at a rally organized by pro-democracy group “Bersih” (Clean) in Kuala Lumpur, Malaysia, Saturday, August 29, 2015. Malaysian activists are putting more pressure on embattled Prime Minister Najib Razak to resign with major street rallies this weekend following allegations of suspicious money transfers into his accounts. (Photo by Lai Seng Sin/AP Photo)

Supporters of pro-democracy group “Bersih” (Clean) pose for photographer before the start of a rally in Kuala Lumpur, Malaysia, Saturday, August 29, 2015. (Photo by Lai Seng Sin/AP Photo)

A woman participant shows the support for the rally of pro-democracy group “Bersih” (Clean) in Kuala Lumpur, Malaysia, Saturday, August 29, 2015. (Photo by Lai Seng Sin/AP Photo)

Protesters sit along the main road in downtown Kuala Lumpur during a rally organised by pro-democracy group “Bersih” (Clean), Malaysia, Saturday, August 29, 2015. Tens of thousands of Malaysians wearing yellow T-shirts and blowing horns defiantly held a major rally in the capital Saturday to demand the resignation of embattled Prime Minister Najib Razak. (Photo by AP Photo)

A protestor offers prayers on the second day of a demonstration demanding Prime Minister Najib Razak's resignation and electoral reforms in Kuala Lumpur on August 30, 2015. Tens of thousands of Malaysians swarmed central Kuala Lumpur on August 29, to call for the prime minister's ouster over corruption allegations and demand broader reforms, defying warnings by police who had declared the rally illegal. (Photo by Mohd Rasfan/AFP Photo)