A weapon warehouse exploded in northern Lebanese city of Tripoli on Friday evening, the state-run National News Agency (NNA) reported. The Lebanese Army has been struggling to contain clashes that erupted between opposition and supporters of Syrian President Bashar al-Assad in the coastal city of lebanon on Friday morning. According to the NNA and security sources, the army has conducted several raids across Tripoli in search of gunmen. Tripoli, which is home to Lebanon\'s largest Sunni and Alawite communities, has been witnessing protests on a near weekly basis ever since unrest in Syria erupted in mid-March of last year.