(CNN) — An attack by a suicide bomber at a military base in eastern Afghanistan on Wednesday killed eight Americans believed to be CIA employees, a senior U.S. official told CNN.
Also Wednesday, four Canadian soldiers and a Canadian journalist were killed when a roadside bomb hit their armored vehicle in southern Afghanistan, Canada’s defense ministry said.
The suicide bombing happened at Forward Operating Base Chapman in Khost province, Afghanistan. The senior U.S. official who spoke to CNN said information indicates the bomber walked into a gym facility at the base and detonated a suicide vest. It is believed six Americans were wounded in addition to the eight killed. It’s not known how the bomber got past security.