A Bahraini protester confronts riot police to reach the site of 2011 pro-democracy uprising

A masked Bahraini anti-government protester confronts riot police who give chase in Sanabis, Bahrain, Tuesday, Feb. 12, 2013. Clashes erupted at the end of an anti-government march, when hundreds of youths attempted to reach the heavily guarded site of the 2011 pro-democracy uprising.

Bahraini anti-government protesters waving national flags and hold up pictures depicting prisoners and those who have died in anti-government unrest as they march in Sanabis, Bahrain, Manama, Tuesday, Feb. 12, 2013. <AP Photo/Hasan Jamali>