Kabul, gunmen affiliated with the Islamic State group in the restive eastern Nangarhar province killed the 6 six Afghan officials including a district police chief. 

According to sources, IS-affiliated insurgents attacked the administrative headquarters in Haska Mina district at 2:00 AM today. 

Hazrat Hussain Mashreqiwal, spokesman for the Nangarhar police chief, says six police officers were wounded. 

Nangarhar has long been plagued by insurgent groups. Last year militants there claimed allegiance to IS and the Taliban sent fighters against them.

In recent months, government troops backed by air strikes have claimed success against IS fighters, who are believed to be former Taliban members.