Four students were injured in firing when two rival groups allegedly clashed and attacked each other with firearms in Kotwali area here, police said today.
Trouble started yesterday when Parik and Ujjwal's supporters confronted each other over a petty issue and the fight converted into a violent clash, they said.
A case has been registered against nine people and four students arrested in this connection, police said.
Police rushed to the spot and the situation is under control, they said.
