Police in Swansea are appealing for witnesses to a road traffic collision which happened on the A483 Carmarthen Road at around 9.30pm on Wednesday 22nd January.
The collision involved a Ford Fiesta and a Saab 95 and occurred at the traffic lights with the junction of Gendros Crescent.
As a result of the collision the 24-year-old male driver of the Fiesta suffered head serious injuries and is currently in a critical condition at Morriston Hospital.
The female driver of the Saab was also taken to hospital for treatment for back and neck injuries.
Two passengers in the Saab and a front seat passenger in the Fiesta suffered less serious injuries.
Prior to the collision, the Fiesta was travelling towards the city centre and the Saab in the opposite direction.
Anyone who witnessed the collision is asked to contact police on 101 or Crimestoppers anonymously 0800 555 111 quoting occurrence number 62140021606.