A motorist is in a serious condition in hospital tonight following a three-vehicle accident on South Shore in Paget this evening.And police are appealing for one motorcyclist to come forward after they drove off from the scene of the accident.The crash took place at 8.20pm about 200 metres west of the Coral Beach Club entrance.According to a police spokesman, two motorcycles travelling west collided with a livery cycle travelling in the opposite direction.One of the motorcyclists is now in a serious condition at King Edward VII Memorial Hospital. The driver of the livery cycle was also taken to hospital with an injury to his hand, but it is not known if the third motorist, who fled the scene, sustained any injury.“Police are interested in speaking with the second motorcycle rider who kept on going. He is now a very important person in this investigation,” the spokesman said.