Dyfed-Powys Police is investigating an allegation of assault that occurred on Monday, March 11 in Pembroke Dock.
The incident occurred at 11.30am at the town’s Wavell Crescent.
Following the alleged assault, one man was taken to hospital for medical treatment.
A number of local police officers, including armed response, were present in the local areas conducting enquiries.
Three men have been arrested in connection with the investigation, with no further suspects outstanding.
Enquiries into the incident continue.