A 21-year-old man has been taken to hospital after an unknown liquid was thrown in his face.
The incident happened at Saughton Park in Edinburgh at just after 2pm on Saturday afternoon.
Pictures showed a large response from emergency services on a road next to the park, which is located in the west of the capital.
A Police Scotland spokesperson said: “Police received a report that a man had an unknown liquid thrown in his face in Saughton Park, Edinburgh around 2.10pm on Saturday, 4 July, 2020.
“The 21-year-old man has been taken to hospital as a precaution.
“Enquiries are ongoing to trace the person responsible.”