Two Central Reserve Police Force (CRPF) troopers were injured Saturday when guerrillas fired at a security force vehicle on Srinagar-Jammu national highway in Anantnag district, police said."Two CRPF jawans were injured today (Saturday) evening when militants fired at a CRPF vehicle at Lev dora (Qazigund) on the Srinagar-Jammu national highway in Anantnag district," a senior police officer told IANS.He said the injured troopers, part of a CRPF patrol in the area deployed to provide security to traffic on the highway, have been taken to hospital.