In Jammu and Kashmir, six persons were killed and another critically injured when a vehicle plunged into a deep gorge in Rajouri district early this morning. Police said, the accident occurred at Ujhan-Dhandkote in Darhal area when the driver of the private vehicle lost control while negotiating a curve. Local residents launched a rescue operation immediately and were joined by police parties and a team of doctors and paramedics.<br />'' <br />'' Four persons were found dead while three others were rescued in a critical condition. Two of the injured succumbed at community health centre Darhal this morning. The critically injured person was referred to Jammu for specialised treatment. <br />''  <br />