Srinagar: A person was killed and four others injured in an explosion on Saturday in the upper areas of Jammu and Kashmir's Gulmarg, officials said."A blast-like sound was reported near Asha Post, Sumli Wali Dhok, in Gulmarg," the officials said.They said according to the initial reports, a person identified as Zubair Ahmad Bajad, a resident of Galibal village in Chandoosa area of the Baramulla district, died on the spot. The explosion also left four others injured, they said. A team of forensic experts has been dispatched to the spot to gather samples, they said. Further details are awaited, the officials said.