Two American service members were killed and six more injured when an individual wearing an Afghan army uniform opened fire on them with a machine gun during a mission in Nangarhar province in eastern Afghanistan.
According to Reuters:
Sohrab Qaderi, a provincial council member in Nangarhar, said the attacker was killed in the clash.
He said the Islamist fighter had infiltrated the Afghan security forces involved in the joint operation, but did not say which group the militant belonged to.
According to Fox News:
Such attacks have been frequent occurances in the nearly two decades U.S. troops have spent in the country. In 2012, for example, 25 percent of Americans military deaths in Afghanistan were caused by such attacks by allied Afghan forces, U.S. military officials have said.