Seventeen people have been arrested during an unplanned protest against the re-election of Britain’s conservative prime minister.<br /><br /> Demonstrators clashed with riot police close to David Cameron’s Downing Street residence in central London.<br /><br /> Bottles, cans and smoke bombs were thrown at officers, as anger boiled over. Five people were reported injured.<br /><br /> A group of protesters clad in black, sunglasses and face masks were among the crowd. <br /><br /> Cameron won a second term in office in Thursday’s election. His government is planning more spending cuts to bring down a budget deficit.
