A handout photo allegedly taken on July 5, 2009, and released on July 6 by the Washington-based 'Uyghur American Association' said to show the scene of a riot involving Muslim Uighurs and Chinese security forces on a street in Urumqi, the capital of China's Autonomous Region of Xinjiang. (AFP/AFP/Getty Images/Uyghur American Association Handout)
A video grab from China 's CCTV shows an injured man in Urumqi , in Xinjiang , China on July 6, 2009. (REUTERS/CCTV via Reuters TV)
In this photo taken on Sunday, July 5, 2009, and released by the Xinjiang Government Press Office, Tuesday, July 7, 2009, a burning vehicle rests in a street following a riot in Urumqi , China .
In this photo released by China 's Xinhua News Agency, a fire engine burns during the riot in Urumqi , capital of northwest China 's Xinjiang Uygur Autonomous Region
A boy runs next to an overturned car just outside the Uighurs neighbourhood in Urumqi
A bloodstained car, damaged during protests, is towed away in Urumqi on Monday
A woman looks through a damaged window following Sunday's riot in Urumqi
A large group of Han Chinese walk up a street carrying sticks and shovels in Urumqi on July 7, 2009. Police on July 7 fired clouds of tear gas to disperse thousands of Han Chinese protesters armed with makeshift weapons, as chaos gripped this flashpoint city riven by ethnic tensions.
Armed Chinese soldiers in riot gear march across a main street leading to the end of the city occupied by ethnic Uighurs in Urumqi .
An ethnic Uighur woman looks out the window of an apartment one day after Han Chinese mobs attacked the compound in Urumqi , China .
Ethnic Uighurs look on as Chinese security forces stand by the entrance to the Uighurs' neighborhood in Urumqi ..
Ethnic Uighurs stand watch with sticks behind a roadblock in their neighborhood in Urumqi ..
An ethnic Uighur woman carries a metal rod as she walks down a main road in the city of Urumqi on July 8, 2009. Urumqui's ethnic Uighur and Han Chinese residents have taken to carrying metal rods and sticks for protection against attacks.
A Han Chinese man carries a spiked steel bar while using his cell phone to take photos as he joins a mob of Han Chinese men attacking Uighur properties in Urumqi..
A Han Chinese crowd walks, carrying sticks and other items as they gather in the street in Urumqi .
A Han Chinese man chases down a photographer to stop him taking pictures as thousands of Chinese take to the streets in Urumqi ..
Han Chinese men attack a Uighur house despite tear gas deployed by Chinese paramilitary police to stop them in Urumqi ..
A mob of Han Chinese throw rocks at a building where some Uighurs were believed to be hiding in Urumqi , China .
Chinese security forces get into formation on the People's Square in Urumqi , China
Chinese soldiers and policemen in riot gear stand together on the main square in the city of Urumqi ..
Ethnic Uighurs hold sticks and wait near the entrance to their neighbourhood, as security forces stand outside in Urumqi ..
An AFP TV grab shows a mob of Han Chinese attacking a lone Muslim Uighur man along a street in Urumqi , China on July 8, 2009. Han Chinese mobs attacked two Uighurs in separate incidents in China 's flashpoint Urumqi city on July 8, according to AFP reporters, who witnessed the events.
Chinese paramilitary police prepare to face off protesters in Urumqi , China on Tuesday,
Tursun Gul, a local Uighur woman on a crutch, shouts at Chinese armored personnel carriers and soldiers wearing riot gear as a crowd of angry locals confront security forces on a street in the city of Urumqi
Tursun Gul, an ethnic Uighur woman, faces off with Chinese paramilitary police in Urumqi , China on Tuesday, July 7, 2009. Gul, along with a crowd of Uighurs behind her, was shouting at the soldiers to return their men - Gul's husband and four brothers were arrested the day before, along with over 1,400 others..