Two US service members have been killed and six others wounded in an attack in eastern Afghanistan.
According to initial reports, an individual dressed in an Afghan uniform opened fire after a combined US and Afghan force completed a "key-leader engagement" on Saturday.
"We are still collecting information and the cause or motive behind the attack is unknown at this time," Colonel Sonny Leggett, a spokesman for US forces in Afghanistan, said in a statement.


Australia toughens kids' social media ban
Strong earthquake hits Hindu Kush, shaking Afghanistan and Pakistan
Serbian President Vucic says he will resign within weeks
Death toll in Venezuela quake tops 1,400 as rescue efforts intensify
Authorities investigate light aircraft crash into Beijing skyscraper