Two men were injured during an assault in Swindon town centre on Sunday (14 May).
Police were called to Faringdon Road, near the Farnsby Street junction at around 1.20pm.
Officers were responding to calls for assistance from the ambulance service, which already had a crew at the scene of the incident.
Two men, aged in their 20s, were treated by ambulance crews, Wiltshire Police said.
Witnesses are asked to call 101 and quote crime reference number 54230050400.
