According to Secretary of Defense Ash Carter, two US service members and two US contractors died after a suicide bomber detonated an explosive device inside Bagram Airfield. 16 US service members and one Polish soldier were injured in the blast. Those killed and wounded were waiting to participate in the Veteran’s Day 5 K run. The bomb detonated near the dining hall at approximately 05:00 to 05:30 am local time.

The Taliban have claimed responsibility for the attack via Twitter and claimed the attack had been planned for over four months.

Zabiullah Mujahid, a Taliban spokesman, said the bomber managed to enter the base with explosives and detonate himself among American service members who were in the midst of doing their morning exercise.- ABC News

The New York Times stated that the suicide bomber entered the base in a group of workers.