Gulf Cooperation Council (GCC) forces prepare to move into Pearl Square to clear anti-government protesters blocking a road in Manama March 16, 2011. Two Bahraini policeman were killed on Wednesday, a health official said, in an operation to clear mainly Shi'ite Muslim protesters from a central roundabout where they had been camped out for weeks. REUTERS/Hamad I Mohammed (BAHRAIN - Tags: POLITICS CIVIL UNREST)