A motorist knocked a 70-year-old off his motorcycle and drove off before emergency services arrived in the early hours of the morning, the police revealed in a statement on Saturday.
The elderly man, who lives in Birżebbuġa, was riding a Modenos motorbike when he was hit by a car on Triq iż-Żurrieq.
Police were called to the scene at 4.40am, where they found the injured biker but no trace of the car driver involved, who had fled the scene.
The motorcyclist was taken to Mater Dei Hospital, where he is being treated for grievous injuries.
Police investigations are ongoing.