A policeman sleeps in front of a barricade built with bamboo poles and tyres at an intersection to Silom Road financial district in Bangkok May 3, 2010. Thailand's prime minister warned anti-government protesters on Sunday there was a risk of "losses" if they did not get out of a Bangkok shopping district they have closed for a month, but the protesters vowed to stay put. REUTERS/Chaiwat Subprasom (THAILAND - Tags: POLITICS CIVIL UNREST IMAGES OF THE DAY)