A woman required hospital treatment after a brawl in Rothwell yesterday afternoon (Monday).
Police were called to Market Hill, near The Old Bakehouse, at about 3.45pm to reports of a 'number of people' fighting.
Officers assisted a woman in her 20s who had suffered a facial injury after being hit by a man.
A police spokesman said: "She was taken to hospital where she required stitches to her lip."
Investigations are ongoing and no arrests have been made so far. No descriptions were available at this stage.
A police spokesman urged anyone with information to contact them on 101 using reference number 19000312389.
Alternatively they can call Crimestoppers anonymously on 0800 555111.