Thames Valley Police has referred a fatal road traffic collision on the A34 this morning to the Independent Police Complaints Commission (IPCC).
It follows an incident where a lorry collided with a vehicle while police officers were removing a dead badger from the carriageway.
Police are appealing for witnesses to the collision, which occurred on the southbound carriageway of the A34 near Marcham just before 3am today.
More top news
Increasingly cloudy with drizzly rain tonight. A cloudy start on Monday but brightening up with plenty of sunny spells in the afternoon.
The grass pollen risk will rise to high during warm, dry weather.
Cloudy with patchy rain and drizzle this evening. Mild tonight, then dry with plenty of sunny spells tomorrow.