Tension prevailed in Sundarbans in South 24 Parganas district after an angry mob pelted stones at a police station following the rape and murder of a nine-year-old girl.
The enraged locals demanded that the accused be handed over to them.
The officer-in-charge of Basanti police station Koushik Kundu sustained injuries in the stone pelting incident, police said.
The nine-year-old had gone missing after she left her home at Kumirmari to buy grocery on Saturday evening. There was a thunderstorm and she did not return.
Her body was found rolled in a cloth later that night in a room in a youth’s home during a search by her family members.
Victim’s father lodged a complaint with the police accusing four persons the next day, police said.
Police on Monday arrested three of the accused - the youth, his father and his sister-in-law, while his mother, the fourth accused, is absconding.
Trouble erupted when the arrested were being taken to Alipore court in Kolkata. The mob gheraod the police station and started pelting stones at police officials. However, the police persuaded them to withdraw.
The three were produced before the court which remanded them to seven days in police custody.