SRINAGAR: A vehicle was damaged after militants fired a rifle grenade towards an Airtel tower at Habba Kadal in old Srinagar city, on Monday. This is the first such incident of this kind in the heart of the city as militants have carried out at least half a dozen attacks on mobile towers in other parts of the Valley especially North Kashmir and a employee of Airtel was also injured. Excelsior/Mohd Amin War