Late night attack: Rock-throwing gang cause man, 32, to crash A man is in hospital after a gang of four on two motorcycles pulled along side him and pelted his car with rocks. POLICE are hunting a gang of up to four people who pelted rocks at a mans car as he was driving in Lockridge late last night. The 32-year-old man was driving on Lord Street in suburban Lockridge about 11.20pm last night, when up to four people on two motorcycles rode up alongside his car. The passengers on the bikes started hurling rocks, one of which hit the Chrysler's windscreen, smashing it. The man then lost control of his car and crashed into a tree. He was taken to Royal Perth Hospital where he is being treated for neck and shoulder injuries. Anyone with any information about the incident should call Crime Stoppers on 1800 333 000.