Thames Valley Police is appealing for information following a fatal collision in Nettlebed, Oxfordshire, this morning (21/11).
At 6.26am, a lorry and a Porsche collided on the A4130 between Nettlebed and Nuffield.
The driver of the car, a man in his fifties from the Abingdon area, died at the scene.
The road is currently closed from the Nettlebed junction B481 to the Huntercombe End.
The driver of the lorry, a 59-year-old man from Kent, was arrested on suspicion of causing death by dangerous driving and is currently in police custody.
Officers would like to speak to anyone who witnessed the collision and in particular, a person who stopped following the incident but left before officers arrived.
Anyone with information is asked to call Thames Valley Police on 101, quoting URN 115 of 21/11.