CAB driver Abass Khan captured this footage of an attack on a car in Manningham Lane, Bradford.
It shows a man striking out at a black BMW which appears to be driven at him before the driver reverses to get away.
The car's windscreen is smashed and the airbag seems to have gone off in the front passenger side.
A West Yorkshire Police spokesman said: "Police were called to Manningham Lane at about 3pm yesterday following a report of an ongoing disturbance in which a vehicle had been attacked.
"As details were being passed to officers over the phone the vehicle, a black BMW, was reported to have driven off.
"Officers attended and established a man in his 30s had been attacked, but did not require hospital treatment. Enquiries are continuing and a crime of assault has been recorded."
Anyone with information should contact police on the non-emergency number 101 or report it anonymously to Crimestoppers 0800 555 111.
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