A Bahraini anti-government protester stands in clouds of tear gas in Malkiya, Bahrain, on Sunday, Oct. 28, 2012, where clashes erupted between youths with petrol bombs and riot police firing tear gas. Clashes began as a march calling for freedom for political prisoners and honoring those killed in the uprising from Bahrain's western villages was ending. (AP Photo/Hasan Jamali)