Lebanon's Sunni Muslim Mufti Sheikh Mohammed Rashid Kabbani (C) waves to worshippers after leading Friday prayers at a mosque that was damaged during Tuesday night's clashes at Burj Abi Haidar neighbourhood in Beirut August 27, 2010. The Lebanese army warned against efforts to stir up sectarian strife after a Sunni-Shi'ite clash on Tuesday left three people dead, in the worst street fighting in Beirut since May 2008. REUTERS/Mohamed Azakir (LEBANON - Tags: POLITICS CIVIL UNREST RELIGION)