Bagram Air Base attack: US defence secretary confirms US soldiers death             

Bagram Air Base attack: US defence secretary confirms US soldiers death             

WASHINGTON: (APP) Four Americans were killed Saturday in a huge explosion inside the largest US military base in Afghanistan, Secretary of Defense Ash Carter said.

The Americans -- two servicemembers and two contractors -- were killed at Bagram Airfield by "an apparent suicide bomber," Carter said in a statement,adding that the explosion wounded 16 other US servicemembers and a Polish soldier participating in US-led NATO military operations.