A CYCLIST has serious head injuries after a collision in Alder Road, Poole.

The male rider is thought to have been in collision with the back of a van at the bottom of a hill, by the junction with South Park Road.

Police were called to the scene by ambulance crews at around 2.40pm on Tuesday afternoon.

They closed Alder Road from the junction with Mossley Avenue to South Park Road while officers investigated. It was still closed just before 4pm.

The cyclist was taken to Poole Hospital with potentially life threatening injuries.