A civic police volunteer, who was injured in violence over a 17-year-old girl's death in Kaliaganj in West Bengal's Uttar Dinajpur district, died while undergoing treatment at a hospital on Thursday, police said.

Mijanur Rehman was critically injured as violence rocked Kaliaganj on Tuesday. He died while undergoing treatment at the North Bengal Medical College and Hospital in Siliguri, they said.