Sectarian clashes re-erupted in North Lebanese city of Tripoli, reported Lebanese news agency (NNA). Security Sources said that gun shots and exploding grenades were heard Friday night as clashes erupted between BabTabbaneh of Sunni majority and the Shiite-majority Jabal Mohsen.Army units deployed in the region responded and fired back on the sources of fire.The sources confirmed the clashes expanded on most traditional fighting axes.Sectarian clashes erupt in Tripoli due to the availability of weapons and the failure of the Lebanese political efforts of disarmament carried out by all parties.