#bahrain #sitra An injured Bahraini anti-government protester is treated by underground doctors & nurses in a house after he was hit with a tear gas canister during clashes with riot police in Sitra, Bahrain, late Sunday, July 29, 2012. Injured protesters often refuse treatment at hospitals in fear of being arrested by authorities. Bahrain's Interior Ministry says it is opening investigations into possible rights violations by police during crackdowns on opposition protesters. (AP Photo/Hasan Jamali)