Expressing grief over the death of 15 persons in a road mishap, Jammu and Kashmir Chief Minister Omar Abdullah today announced an ex-gratia relief of one lakh rupees to the next of kin of each victim. An official spokesman said that Omar also sanctioned a sum of 10,000 rupees each for those injured in the mishap that took place in Ramban district last night.Fifteen people, believed to be Amarnath pilgrims, were killed and 18 others injured when an SRTC bus skidded off the Jammu-Srinagar highway and rolled down into a deep gorge. The State Road Transport Corporation bus carrying Amarnath pilgrims was on its way from Kashmir Valley to Jammu when it rolled down into the Digdol nallah last night.