A total of 11 people were taken into custody by police over the weekend for violence-related offences in the Tenby section.
Three were arrested on Friday night, while eight were held on Saturday.
Four of those arrested on Saturday related to a serious assault/disorder incident in Saundersfoot.
The incident, in which a young woman was taken to hospital with a serious ear injury, occurred at approximately 11.15 pm outside the Hean Castle public house.
Inquiries are continuing and anyone with any information is asked to contact DC Andrew Couzens at Tenby police station on 842303.