Armed men ride on the back of a truck to attend a rally held by supporters of Houthi rebels and Yemen's former president Ali Abdullah Saleh to celebrate an agreement reached by Saleh and the Houthis to form a political council to unilaterally rule the country, in Sanaa, Yemen August 1, 2016. (Photo by Khaled Abdullah/Reuters)





A view of a flood road in Sanaa, Yemen August 2, 2016. (Photo by Khaled Abdullah/Reuters)





A car drives on a flooded road in Sanaa, Yemen August 2, 2016. (Photo by Khaled Abdullah/Reuters)





Boys play in flood water in the Old City of Sanaa, Yemen August 2, 2016. (Photo by Khaled Abdullah/Reuters)





People stand on a bridge to watch flood water in the Old City of Sanaa, Yemen August 2, 2016. (Photo by Khaled Abdullah/Reuters)





Children play near a rain water at a camp for internally displaced people near Sanaa, Yemen, August 10, 2016. (Photo by Khaled Abdullah/Reuters)





Children pose for a photo at a camp for internally displaced people near Sanaa, Yemen, August 10, 2016. (Photo by Khaled Abdullah/Reuters)





A woman and her son stand outside their hut at a camp for internally displaced people near Sanaa, Yemen, August 10, 2016. (Photo by Khaled Abdullah/Reuters)





A man shows his tent at a camp for internally displaced people near Sanaa, Yemen, August 10, 2016. (Photo by Khaled Abdullah/Reuters)





A man sits in his hut at a camp for internally displaced people near Sanaa, Yemen, August 10, 2016. (Photo by Khaled Abdullah/Reuters)





Children play at a camp for internally displaced people near Sanaa, Yemen, August 10, 2016. (Photo by Khaled Abdullah/Reuters)





A girl plays near a rain water at a camp for internally displaced people near Sanaa, Yemen, August 10, 2016. (Photo by Khaled Abdullah/Reuters)





A youth looks at rubble of a house after it was destroyed by a Saudi-led air strike in Yemen's capital Sanaa, August 11, 2016. (Photo by Mohamed al-Sayaghi/Reuters)





Houthi fighters react while riding on the back of a truck as they attend a tribal gathering in Yemen's capital Sanaa, August 11, 2016. (Photo by Mohamed al-Sayaghi/Reuters)





A boy reacts while riding on the back of a truck as they attend a tribal gathering in Yemen's capital Sanaa, August 11, 2016. (Photo by Mohamed al-Sayaghi/Reuters)





A boy reacts from the sound of machine gun as he attends a tribal gathering for Houthi fighters in Yemen's capital Sanaa, August 11, 2016. (Photo by Mohamed al-Sayaghi/Reuters)





Houthi fighters stand as they attend a tribal gathering in Yemen's capital Sanaa, August 11, 2016. (Photo by Mohamed al-Sayaghi/Reuters)





Boys collect spent bullet shells as they attend a tribal gathering for Houthi fighters in Yemen's capital Sanaa, August 11, 2016. (Photo by Mohamed al-Sayaghi/Reuters)





Members of Yemen's parliament attend parliament for the first time since a civil war began almost two years ago in Sanaa, Yemen August 13, 2016. (Photo by Khaled Abdullah/Reuters)





People hold a poster of Yemen's former president Ali Abdullah Saleh as they demonstrate outside a parliament session held for the first time since a civil war began almost two years ago, in Sanaa, Yemen August 13, 2016. The placard reads: “Allah is the greatest. Death to America, death to Israel, a curse on the Jews, victory to Islam”. (Photo by Khaled Abdullah/Reuters)





A woman wearing souvenirs with photos of Yemen's former president Ali Abdullah Saleh and his eldest son Ahmed waits outside a parliament session held for the first time since a civil war began almost two years ago, in Sanaa, Yemen August 13, 2016. (Photo by Khaled Abdullah/Reuters)





A soldier holds a machine gun mounted on a police truck outside Yemen's parliament during a session held by the parliament for the first time since a civil war began almost two years ago, in Sanaa, Yemen August 13, 2016. (Photo by Khaled Abdullah/Reuters)





Soldiers ride on the back of a military truck stationed at the gate of Yemen's parliament during a session held by the parliament for the first time since a civil war began almost two years ago, in Sanaa, Yemen August 13, 2016. (Photo by Khaled Abdullah/Reuters)





An armed boy walks as he attends a gathering held by tribesmen loyal to the Houthi movement to show support to a political council formed by the movement and the General People's Congress party to unilaterally rule Yemen by both groups in Sanaa, August 14, 2016. (Photo by Khaled Abdullah/Reuters)





Armed boys perform the traditional Baraa dance as they attend a tribal gathering held by tribesmen loyal to the Houthi movement to show support to a political council formed by the movement and the General People's Congress party to unilaterally rule Yemen by both groups in Sanaa, August 14, 2016. (Photo by Khaled Abdullah/Reuters)





A boy looks as he attends a gathering held by tribesmen loyal to the Houthi movement to show support to a political council formed by the movement and the General People's Congress party to unilaterally rule Yemen by both groups in Sanaa, August 14, 2016. (Photo by Khaled Abdullah/Reuters)





Tribesmen loyal to the Houthi movement perform the traditional Baraa dance as they attend a tribal gathering to show support to a political council formed by the movement and the General People's Congress party to unilaterally rule Yemen by both groups in Sanaa, August 14, 2016. (Photo by Khaled Abdullah/Reuters)





Tribesmen loyal to the Houthi movement ride on the back of a truck as they leave a tribal gathering they held to show support to a political council formed by the movement and the General People's Congress party to unilaterally rule Yemen by both groups in Sanaa, August 14, 2016. (Photo by Khaled Abdullah/Reuters)





Tribesmen loyal to the Houthi movement ride on the back of a truck as they leave a tribal gathering they held to show support to a political council formed by the movement and the General People's Congress party to unilaterally rule Yemen by both groups in Sanaa, August 14, 2016. (Photo by Khaled Abdullah/Reuters)





Tribesmen loyal to the Houthi movement perform the traditional Baraa dance as they attend a tribal gathering to show support to a political council formed by the movement and the General People's Congress party to unilaterally rule Yemen by both groups in Sanaa, August 14, 2016. (Photo by Khaled Abdullah/Reuters)





Tribesmen loyal to the Houthi movement ride on the back of a truck as they leave a tribal gathering they held to show support to a political council formed by the movement and the General People's Congress party to unilaterally rule Yemen by both groups in Sanaa, August 14, 2016. (Photo by Khaled Abdullah/Reuters)





A woman and her daughters sit outside their tent at a camp for internally displaced people near Sanaa, Yemen, August 15, 2016. (Photo by Khaled Abdullah/Reuters)





Children stand at a camp for internally displaced people near Sanaa, Yemen, August 15, 2016. (Photo by Khaled Abdullah/Reuters)





Children stand outside a tent at a camp for internally displaced people near Sanaa, Yemen, August 15, 2016. (Photo by Khaled Abdullah/Reuters)





Saleh al-Sammad (C), who heads the Supreme Political Council, formed by the Houthi movement and the General People's Congress party to unilaterally rule Yemen by both groups, sits behind a bulletproof glass as he attends a rally held to show support to the council in the capital Sanaa August 20, 2016. (Photo by Khaled Abdullah/Reuters)





A soldier looks at people rallying to show support to a political council formed by the Houthi movement and the General People's Congress party to unilaterally rule Yemen by both groups, in the capital Sanaa August 20, 2016. (Photo by Khaled Abdullah/Reuters)





A poster of Saleh al-Sammad, who heads the Supreme Political Council, formed by the Houthi movement and the General People's Congress party to unilaterally rule Yemen by both groups, is seen on the window of a van carrying people to the site of a rally held to show support to the council in the capital Sanaa August 20, 2016. (Photo by Khaled Abdullah/Reuters)





An armed man loyal to the Houthi movement holds up ammunition as he gathers to protest against the Saudi-backed exiled government deciding to cut off the Yemeni central bank from the outside world, in the capital Sanaa, Yemen August 25, 2016. (Photo by Mohamed al-Sayaghi/Reuters)





An armed youth loyal to the Houthi movement takes part in a protest against the Saudi-backed exiled government deciding to cut off the Yemeni central bank from the outside world, in the capital Sanaa, Yemen August 25, 2016. (Photo by Mohamed al-Sayaghi/Reuters)





Armed men loyal to the Houthi movement wave their weapons as they gather to protest against the Saudi-backed exiled government deciding to cut off the Yemeni central bank from the outside world, in the capital Sanaa, Yemen August 25, 2016. (Photo by Mohamed al-Sayaghi/Reuters)





An armed man loyal to the Houthi movement holds his weapon as he gathers to protest against the Saudi-backed exiled government deciding to cut off the Yemeni central bank from the outside world, in the capital Sanaa, Yemen August 25, 2016. (Photo by Mohamed al-Sayaghi/Reuters)





An armed man loyal to the Houthi movement holds his weapon as he rides on the roof of a truck during a protest against the Saudi-backed exiled government deciding to cut off the Yemeni central bank from the outside world, in the capital Sanaa, Yemen August 25, 2016. (Photo by Mohamed al-Sayaghi/Reuters)





Armed men loyal to the Houthi movement ride on a vehicle during a protest against the Saudi-backed exiled government deciding to cut off the Yemeni central bank from the outside world, in the capital Sanaa, Yemen August 25, 2016. (Photo by Mohamed al-Sayaghi/Reuters)





An armed youth loyal to the Houthi movement rides in an armored vehicle as he secures a protest against the Saudi-backed exiled government deciding to cut off the Yemeni central bank from the outside world, in the capital Sanaa, Yemen August 25, 2016. (Photo by Mohamed al-Sayaghi/Reuters)





An armed man loyal to the Houthi movement takes part in a protest against the Saudi-backed exiled government deciding to cut off the Yemeni central bank from the outside world, in the capital Sanaa, Yemen August 25, 2016. (Photo by Mohamed al-Sayaghi/Reuters)





A man walks past cooking gas cylinders in the yard of a gas station after it was hit by a Saudi-led air strike in the northwestern city of Saada, Yemen August 27, 2016. (Photo by Naif Rahma/Reuters)





An armed Houthi man walks past cooking gas cylinders in the yard of a gas station after it was hit by a Saudi-led air strike in Saada, Yemen August 27, 2016. (Photo by Naif Rahma/Reuters)





A boy sits on rubble outside a house destroyed by a Saudi-led airstrike in Yemen's capital Sanaa September 4, 2016. (Photo by Mohamed al-Sayaghi/Reuters)





A man shows damage at a house destroyed by a Saudi-led air strike in Yemen's capital Sanaa September 4, 2016. (Photo by Mohamed al-Sayaghi/Reuters)