In Jammu and Kashmir, three school students were killed and one student was missing in river Chenab when a dumper tipper skidded off the road and rolled down into the river in Ramban district of Jammu division today. Four persons were also injured in the accident.<br />'' <br />'' The accident happened on Karol- Kurnet link road of the district when the vehicle was on its way from village Karol to village Kundi. All the injured were evacuated to District Hospital, Ramban. <br />'' <br />'' Later one critically injured girl student was referred to Government Medical College Hospital Jammu for specialized treatment. <br />'' <br />'' The students were returning from school when they boarded the tipper to reach home. <br />''