A motorcyclist has suffered 'life-changing injuries' after driving away from a road rage row and colliding with three vehicles.
The incident happened over a 30-minute period in Aldershot, Hampshire, on Friday and police are now trying to discover what led to the chain of events.
The motorcyclist, a man aged in his 20s, was taken to St George's Hospital, London, for treatment.
A 40-year-old Audi driver, from Farnborough, had been arrested but was later released pending further inquiries.
Police now want residents to check their CCTV and dash cams for any relevant footage.
The incident happened over a 30-minute period at a junction (pictured) Aldershot, Hampshire, on Friday and police are now trying to discover what led to the chain of events
A spokesman for Hampshire Constabulary said: 'We are investigating a series of incidents including a serious collision which took place in Aldershot yesterday. These incidents took place between 1.45pm and 2.15pm.
'It was reported that an altercation took place between a motorcyclist and the driver of an Audi on Queen's Avenue.
'The altercation continued on Hospital Road and during this it's alleged that the motorcyclist was assaulted.
'Following this incident, the motorcyclist rode off and became involved in a collision with three vehicles at the junction of Queen's Avenue and Alisons Road.
'The motorcyclist, a man aged in his 20s, sustained serious life-changing injuries and was taken to St George's Hospital in London for treatment.
The motorcyclist, a man aged in his 20s, was taken to St George's Hospital, London, (pictured) for treatment
'We are appealing for anyone who witnessed any of these incidents, whether this be the initial incident between the Audi and the motorbike on Queen's Avenue, the incident on Hospital Road, the moments after this, or the moments leading up to the serious collision at the junction with Alisons Road.
'If you live in this area and have any CCTV, a doorbell camera or a dash cam, please take the time to look and provide any information to police.
'As part of this investigation, a 40-year-old man, from Farnborough, has been arrested on suspicion of assault occasioning actual bodily harm, dangerous driving, and driving whilst unfit through drugs.
'He has been released from custody but remains under investigation while enquiries continue.'