Police are appealing for information following a serious collision on the A303.
Police were called at 7.51am on Monday 20 April to a report of a collision on the eastbound carriageway, near the Micheldever exit between the A34 and M3.
This involved a black motorcycle and a grey van.
The motorcyclist, a man in his 50s, sustained serious injuries and is being treated in hospital.
A 62-year-old man from Salisbury and a 40-year-old man from Whitchurch have been arrested on suspicion of causing serious injury by dangerous driving. They remain in custody.
Police would like to speak to any witnesses and motorists with relevant dash cam footage. If you have information, please call 101 quoting reference 44260183246