Hundreds die in Darayya

Ten years ago, Syrian government soldiers surrounded Darayya, a suburb of Damascus, bombing buildings and searching for people opposed to President Assad. Hundreds of people died over four days. Mohamad Zarda was there and has been speaking to Laura Jones. This episode contains descriptions of violence. (Image shows a Syrian government tank in Darayya in 2016 during the four year siege. Credit: Getty Images)