Curfew was imposed in Jeypore town of Orissa's Koraput district on Saturday after five police personnel were injured in mob violence following a clash between members of two communities.
Police fired in the air after a lathicharge and teargassing failed to disperse a mob clashing over objectionable graffiti in Vikram Dev College directed against a particular community.
"Curfew was imposed in the town whose streets are still full of angry people throwing stones," Koraput District Superintendent of Police Deepak Kumar said. Five police personnel, including Kumar, were injured in the stone-pelting.
The mob attacked a police station following the clash, causing extensive damage to furniture.
Trouble started over the graffiti with angry youths of the community allegedly launching an attack on girl students from the other community which sparked tension across the town. At least two girls were hurt in the incident.
Demanding immediate arrest of the culprits, hundreds gheraoed the police station and blocked all roads.
Additional forces were being mobilised to restore normalcy in the town where shops and business establishments downed shutters soon after the incident in which a several vehicles were damaged.