However, the deputy governor of Zabul province said a foreign military aircraft came down there on Saturday.

BBC: South Afghanistan plane crash kills four Isaf personnel

Anne Smedinghoff, 25, had been delivering books to students in southern Zabul province.

BBC: Kerry warns Iran time for nuclear talks is limited

Coalition soldiers were targeting a Taliban leader in the Zabul province when militants fired on them, according to a military statement.

CNN: Afghanistan delays presidential election

And we're expecting most of the conflict is going to take place in a mountainous stretch that goes across three of those provinces: Helmand, Uruzgan and Zabul.

NPR: Afghanistan Update: New Offensive Targets Taliban

On July 6, two Canadian air crew members and a British soldier were killed when a helicopter crashed during takeoff in Zabul province, the Canadian and British defense ministries said.

CNN: Five dead as helicopter crashes in Afghanistan

The crash comes two days after four military personnel were killed in a crash in the southern Afghan province of Zabul, which officials said was also not due to military activity.

BBC: Seven killed in US cargo plane crash at Afghan base

The U.S.-led military coalition, in a statement issued Wednesday, said the casualties occurred in an "unprovoked attack" by about 25 insurgents in southeastern Afghanistan near Deh Chopan in Zabul province on Tuesday.

CNN: Afghan officer, 20 insurgents dead

This operation was several weeks in the making, and the small village of Zargaran, in the southeastern province of Zabul, has been under surveillance much longer, says a Special Forces captain who is the commander of the joint operation.

NPR: U.S.-Afghan Force Raids Suspected Taliban Hideout

The deadliest attack was the bombing of a military convoy delivering books to a school in southern Afghanistan's Zabul province in which three service members, a State Department civilian and a Department of Defense civilian were killed, according to U.S. officials.

CNN: Afghan attacks kill 6 Americans as Dempsey arrives