At least three people were injured in a grenade attack in Kashmir's Anantnag district on Saturday."Militants hurled a grenade at a road opening party (ROP) of the army, and opened fire at them on Srinagar-Jammu highway in Bijbehara town," a senior police official told IANS."Three people, including two army soldiers and a civilian, were injured in the explosion," the official said.The injured were rushed to a nearby hospital for treatment, the official added.The area has been cordoned off for search operations.Reports said that traffic on the otherwise busy Srinagar-Jammu highway has been suspended because of the explosion.