At least 18 persons were injured in a clash between the members of two communities at Veerpura Bazar in Fatanpur area in Pratapgarh district, police said on Wednesday.
The incident took place late on Tuesday night when members of two communities clashed during a fair over some dispute involving their children, they said.
Both the factions resorted to brick batting, firing and tried to torch huts, resulting in injuries to over 18 persons, superintendent of police SP Verma said.
Police is probing the matter and elaborate force has been deployed in the area to check any untoward incident, he said.