Four people were taken to hospitals yesterday after a crash involving two motorbikes on the Pacific Motorway in Tanah Merah.
One man, in his 30s, with potentially life-threatening injuries, including cuts and wounds to his stomach, was taken to the Princess Alexandra Hospital, according to paramedics.
Three other men, one in his 40s with legs and stomach injuries, one in his late-teens, and another in his 20s, were all taken to hospitals in a stable condition.
The crash initially involved two motorcycles that collided with another or other cars, paramedics said.
The accident took place in the southbound lanes on the Pacific Motorway at 6.23pm on Monday, 8 September.