#RM | Barbar, Bahrain. 9th November 2012 -- Security measures kept many people from attending the #Friday prayers of Sheik Isa Qassim, who denounced #Bahrain's move to revoke the citizenship of 31 Shiite activists. A cartridge from a riot police gun is found on the floor. -- Security forces have set up checkpoints and fired tear gas in apparent efforts to block worshippers from reaching weekly prayers led by a cleric fiercely opposing rulers in the embattled Gulf nation.