SHIBERGHAN, Afghanistan, March 17 (Xinhua) -- Air attacks against the hideouts of Islamic State (IS) group in Qush Tepa and Darzab districts of Afghanistan's northern Jawzjan province have killed 35 insurgents on Saturday, an army spokesman in the northern region, Mohammad Hanif Rezai said.

"In deadly airstrikes against IS outfit which were conducted in Qush Tepa and Darzab districts at 04:45 a.m. local time today, 35 insurgents including seven foreign fighters were killed and 13 more militants sustained injuries," Rezai told Xinhua.

The official, however, avoided providing more details.

Meantime, an official on the condition of anonymity said that the U.S. forces conducted the deadly sorties against IS militants in Qush Tepa and Darzab districts.

The hardliner IS group has yet to make comment on the report.