KABUL, May 17 (Xinhua) -- A group of armed militants penetrated into the office of Nangarhar provincial governor, a police station and a television building in Jalalabad city on Wednesday morning, triggering gun battles, Tolo television channel reported.

According to the TV channel, suicide bombers entered the building of the national television station in the city and gunshots have forced many local residents to leave the area.

Officials are tightlipped to make comment on the situation.