A cyclist is fighting for his life after suffering serious head injuries when his bike collided with a loose skateboard.

Police are appealing for witnesses to the accident, which happened in South Street, Lewes, on Sunday.

The cyclist, a 49-year-old local man, was taken to Kings College Hospital in London by air ambulance following the incident.

He is today said to be in a critical condition.

Sergeant Huw Watts said: "We would like to hear from anyone who saw what happened."

Witnesses to the incident, which happened at around 6.40pm, should phone Sussex Police on 101 or email collision.appeal@sussex.pnn.police.uk, quoting Operation Padstow.