India, July 7 -- The death toll in the violent unrest at a prison in Sri Lanka's western coastal town of Negombo has risen to 26, authorities said on Monday. A clash erupted on Sunday between two rival groups of inmates in the over-capacity prison. Clash erupted again on Monday as rioting inmates had grabbed prison guns.

Twenty-five people have been killed and over 100 injured as a result of the clashes and subsequent disturbances within the prison, authorities were quoted as saying by the Hiru News. Preliminary findings have revealed that the violence is believed to have erupted between a group allegedly supporting drug trafficking activities within the prison and another group opposed to such activities.

Security has been significantl...