What happened during the J&K terror attack that killed 7 people?

A terror attack at a construction campsite in Jammu and Kashmir's Ganderbal on Sunday left six non-local workers as well as a local doctor dead. A police official quoting survivors said, "There were two men wearing a shawl. They arrived at the camp, removed the shawl and opened fire." They targeted the campsite at three places, including the mess.