Washington, April 13

The United States has dropped biggest non-nuclear bomb in Afghanistan, a new agency said on Thursday quoting Pentagon.

A massive GBU-43 bomb, also known as the "mother of all bombs," was dropped in eastern Afghanistan against a series of caves used by Islamic State militants, the military said.

(Follow The Tribune on Facebook; and Twitter @thetribunechd)

The bomb dropped in Afghanistan's Nangarhar was 21,000 pounds and targeted Islamic State, US media sources said.

The strike occurred at about 7.32 pm local time (1502 GMT)

It was the first time this type of bomb had been used in combat and was dropped from a MC-130 aircraft, Pentagon spokesman Adam Stump said. — Agencies