POLICE are investigating a collision involving four motorcyclists near the West Meon Hut where one man sustained life-threatening injuries.

The collision happened on the A32 toward Fareham at 7.50pm on May 20.

A 52-year-old man was taken to Southampton General Hospital with life-threatening injuries and remains in hospital where his condition is described as "critical but stable".

Three other motorcyclists were also treated in hospital before being released.

Police said a section of the A32 was closed until around 5am the following day as crash investigators scoured the scene.