Jammu, June 8 (Reporter) A laborer was killed in a mysterious firing while working on a construction project along the International Border in the Samba district of Jammu and Kashmir, official said on Saturday. A police official said that a laborer identified as Vasudev, 28, had received a bullet injury in his chest. "He was shifted to the hospital but declared dead," they said, adding that the matter is being investigated to ascertain the cause of the fatal bullet injury on the border...////...