Police are hunting a yob caught on CCTV jumping up and down on the roof of a rapid response ambulance.
Three men walked past Bramley Ambulance Station in Leeds, at around 11.30pm on May 14.
The man, who can be seen topless in the images, then proceeded to jump up on the rapid response car.
This caused criminal damage to the vehicle.
The rapid response vehicles transport specialist paramedics, and due to be able to travel faster than ambulances, are often first on the scene.
Yorkshire Ambulance tweeted an appeal for help in identifying the three men.
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It said: "Do you recognise this person? At 11.30pm on Tuesday 14 May, 3 males walked past Bramley Ambulance Station and one proceeded to cause criminal damage to a vehicle by jumping up and down on its roof.
"Call West Yorkshire Police on 101 quoting ref 13190246243 if you can help identify them."