This just in
Three U.S. troops were killed and one more wounded in Afghanistan's Nangarhar province on Saturday, a local official reported. The attacker was an Afghan soldier who was killed by return fire; the Taliban claimed the shooter was an infiltrator acting on the terrorist organization's behalf.
"We are aware of an incident in Eastern Afghanistan. We will release more information when appropriate," said a Pentagon representative, while the White House confirmed President Trump is "following the emerging situation in Afghanistan."
In a separate incident in Helmand province, two Afghan police officers were killed and two injured by friendly fire from an American airstrike, U.S. officials said. The U.S. military apologized for the deaths and promised to investigate.
This post has been updated throughout.