In Jammu and Kashmir, four militants were killed in an overnight encounter in Handwara area of Kupwara district. Police said an Army jawan was also killed in the operation, which concluded in the wee hours today.<br/><br/>This is second success for the security forces against militants in north Kashmir in the past 24 hours. One top militant was killed yesterday in the gunfight between with the security forces in Ladoora Rafiabad area of Baramulla district.