40 killed in Kabul's double suicide bombing: sources

Afghan security force members stand at the site of an attack in Kabul, Afghanistan, on Dec. 28, 2017. At least 40 people including two assailants were killed and many others injured after a double suicide bombing rocked a building in western neighborhood of Afghan capital of Kabul Thursday, sources and witnesses said. (Xinhua/Rahmat Alizadah)