`Police are still searching for a car and driver involved in a hit-and-run that has left a Melbourne father with serious head injuries in hospital.In CCTV footage seen by 9News, the father and some friends were standing on the road near a car on Westphalian Rise in Clyde North about 1am today, when the occupants of a dark-coloured hatchback or SUV hurled abuse as they drove past.The car did an abrupt U-turn before driving straight towards the men, collecting the