This is the agony of Uighur parents abroad with children trapped in China: CNN traveled to Xinjiang to search for them | Video | CNN

"What country does this to its people, to innocent people?" Asked Mamutjan Abdurehim, breaking after watching his daughter on video recorded by CNN, whom he had not seen for more than 4 years. Amnesty International reports that China's policies towards Uighur Muslims have divided thousands of families, as some children are unable to leave China's Xinjiang region to be with their parents abroad. The United States and other countries have called China's treatment of Uighurs genocide. Beijing strongly denies the allegations and insists its actions are justified in combating religious extremism and preventing terrorism. With the permission of Uighur parents desperate for answers, CNN's David Culver traveled to the heavily guarded Xinjiang region in search of the children left behind.