Gunmen attacked Monday the HQ of the National Oil Corporation (NOC) in Tripoli, repeating the scenario of May attack on the High National Elections Commission.

Reports say around 6 gunmen stormed the building in Dahra district, using small weapons and grenades, leaving 2 NOC staffers dead and 10 others wounded, according to the Health Ministry 

Two of the attackers were reportedly killed in an exchange of fire with security forces while two others blew themselves up, causing damage to the building.

The Special Deterrence Force said it was a terrorist attack by ISIS militants, posting pictures of body parts of two suicide bombers.

The National Safety Department managed to evacuate all the employees who were stuck atop the roof of NOC building including Chairman Mustafa Sanallah.