Avon and Somerset Police are appealing for information about a collision on Kilmersdon Road near Radstock at around 1am on Monday 18th September, in which four men were injured, one seriously.
A silver VW Golf left the road and ended up in a field. All four male occupants, all aged between 20 and 23, were initially taken to the RUH in Bath for treatment.
One remains in a serious condition in Southmead Hospital in Bristol.
Officers want to speak to anyone who saw the collision, or who saw two silver VW Golfs driving around the Bath/Peasedown St John or Radstock areas, in the hours before the collision.
If you can help, call PC Richard Nuttall at the Roads Policing Unit on 101 and give the call handler the reference number 5217212971.