A 13-year-old boy has been killed tonight and a motorist is fighting for survival after two serious crashes in West Oxfordshire tonight.

The teenager died after a collision with a grey Fiat Punto car outside McDonald's in Ducklington Lane, Witney, at about 8pm.

And in Burford a woman has been rushed to hospital with critical injuries following a head-on crash with another vehicle on the A40 about 55 minutes later.

Emergency services were called to Ducklington Lane but the boy was pronounced dead at the scene, an ambulance spokesman said.

Another boy was also involved in the collision but reportedly only suffered minor injuries.

It is believed both boys were pedestrians.

A 17-year-old youth has been arrested on suspicion of careless driving, a police spokesman said.

Ducklington Lane has been closed both ways between the A4095 Tower Hill junction and the A40 junction in Witney. A diversion is in operation.

Police are at the scene and carrying out investigations.

A police spokesman said relatives had been informed.

Sgt Pete Jell has appealed for any witnesses to call him on 08458 505505.

In Burford, a red Peugeot 306 and black Chrysler collided head-on on the A40 at about 8.55pm, the police spokesman said.

The woman driving the Peugeot suffered what was described as life-threatening injuries and was airlifted by a helicopter to the John Radcliffe Hospital in Oxford.

Both vehicles ended up in a ditch.

It is understood police are investigating whether the Chrysler was overtaking a truck before the collision.

There were three people in the Chrysler.

The spokesman said the Chrysler driver had been arrested on suspicion of dangerous driving.

The A40 is closed westbound at the A361, High Street junction.

Any witnesses to that crash have been asked to call Pc Brian Sparrow on 08458 505505.