Security personnel keep vigil in curfew-bound Kokrajhar. Authorities have clamped curfew in the region following clashes between two groups. PTIAn injured Bodo person is taken for treatment to a hospital in the riot-hit Kokrajhar district on MondayPeople at a relief camp in Kokrajhar district. Tens of thousands of villagers have fled their homes in fear of rioting that has killed 21 people in Assam.