3 NATO troops among 20 dead in Afghan suicide bombing

A suicide bomber killed 16 civilians and three foreign troops on patrol in the provincial Afghan capital of Khost on Wednesday, the US embassy and police said, in one of the deadliest attacks for weeks as the Western military prepares to pull out.

Three members of the NATO-led International Security Assistance Force and an Afghan interpreter were killed in Wednesday's bombing, US embassy spokesman Gavin Sundwall said in a statement. (Reuters)