KABUL, July 23 (Xinhua) -- Deputy commander of Islamic State (IS) group in the northern region of the war-battered Afghanistan has been killed, a police spokesman in the northern region said on Monday.

"The deputy commander of the terrorist group of Islamic State who used several names including Mullah Sarwar and Qari Rauf to hide his identify was killed in clash with security forces in Darzab district of the northern Jawzjan province on Sunday night," Sayed Sarwar Hussaini told Xinhua.

Five more militants were also killed in the crackdown, the spokesman said.

Without mentioning the possible casualties of security personnel, Hussaini described Mullah Sarwar as infamous, saying IS militants would lose more grounds after the death of its deputy commander in the northern region.

IS militants who are engaged in fighting with government forces and the rival Taliban outfit in Darzab and Qush Tepa district of the northern Jawzjan province are yet to make comment on the report.