A gang of teenagers attacked an Aberdeen man and may have thrown petrol at him.
The assault is believed to have happened in Caiesdykes Drive, Kincorth, at around 6.40pm on Monday.
A Police Scotland spokesman said: “We are investigating an assault which occurred in the Caisedykes Drive area at 6.40pm on Monday.
“Enquiries are ongoing and we are appealing to anyone who has any information to contact us on 101.”
It is understood that some petrol may have been thrown at the man but it is not thought he was covered in liquid.
Witnesses can also contact Crimestoppers anonymously on 0800 555 111.