The attack is the third in nine days against Chinese security forces in the autonomous region of Xinjiang, a vast area in western China that is home to the Uighurs, a Muslim Turkic ethnic minority.

• 北京电--据新华社报道，周二喀什附近的一个公路检查站发生一起持刀袭击事件，三个安全人员死亡，一人受伤。