One U.S. soldier was killed in Afghanistan during an operation, a military spokesman said Saturday.

"A U.S. soldier was killed in action while conducting operations against ISIS-Khorasan in Afghanistan. The soldier was mortally wounded late Saturday during an operation in Nangarhar Province," Bill Salvin, a spokesman for U.S. forces in Afghanistan, said in a statement.

The statement said more details will be released "as appropriate."

The statement was released by Resolute Support Mission, a group led by the North Atlantic Treaty Organization that plays a training, assistance and advisory role in Afghanistan.

Source: Xinhua