Four US soldiers killed by blast in Afghanistan

KABUL, Mar 12 (Reuters) Four U.S. soldiers were killed today after a blast ripped through their armoured vehicle in Afghanistan, the U.S.

military said, the single biggest recent loss in a day for the American military.

The incident happened while the soldiers were on a patrol in the eastern province of Kunar, the military said in a statement.

''Four U S service members were killed in an improvised explosive device attack today,'' it said.

Today's attack brings to 10 the number of losses for U.S.

soldiers killed in Afghanistan this year.

REUTERS KD VC2201