Five people were taken to hospital when fighting broke out in Knighton following the England v Wales Six Nations rugby match.
Dyfed Powys Police was called to the Welsh town, near the English border, at 6.15pm on Saturday after a male received a suspected fractured nose in Broad Street, near the George & Dragon pub.
The second incident occurred at 9.20pm in the beer garden of the George & Dragon and resulted in two young girls being taken to hospital, one with head injuries and the other with a broken wrist.
At 10.15pm one male and one female were assaulted in an incident that started in Broad Street and spilt onto Station Road.
PC Bill Cowan, of Knighton Police Station, said: "Thankfully all those injured have been released from hospital and the identities of all those alleged to have been responsible for causing these injuries are known."
Anyone with information is still asked to call police on 101 or email bill.cowan@dyfed-powys.pnn.police.uk.
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