There was violence in Sikkim's Namchi town on Monday when a rally demanding speedy justice in the mysterious death of a 21-year-old youth leader turned restive and threw stones and bricks, injuring some police personnel.
Police said tear gas shells were burst by the force to control the situation and several persons were arrested in connection with the incident, Namchi sub-divisional magistrate said.
Section 144 was imposed in the district town and police patrolling was intensified in Namchi, where the situation is now under control, he said.