Hong Kong police and a bomb disposal unit were deployed to a residential area in Happy Valley on Wednesday afternoon after a driver spotted a suspected wartime grenade lodged on a hillside. Police received a report at about 1.40pm from a driver passing the Villa Monte Rosa housing estate on Stubbs Road. The device, described as being roughly the size of a lemon, was found on a slope near the luxury residential complex. Officers from the explosive ordnance disposal bureau were called to the scene...