A grenade blast occurred outside a gate of the army cantonment here, prompting authorities to sound an alert, police said on Monday.
However, no casualties were reported in the blast that took place late on Sunday night in front of Triveni gate of the cantonment, they said.
Police said that some unidentified motorcyclists lobbed the grenade in front of the military area, and they were verifying CCTV images.
After the blast, an alert has been sounded in the area, they said.
