A day ahead of Republic Day celebrations, police officials confirmed that militants hurled a grenade towards security personnel on the busy Hari Singh High Street area of the city but there was no damage on Tuesday.
According to the officials, the ultras lobbed the grenade towards a team of security personnel at around 3.30 PM.
The grenade exploded by the roadside without causing any damage.
Security forces have cordoned off the area and launched searches to nab the ultras.
Security has been beefed up in the city and elsewhere in the Valley to ensure smooth Republic Day celebrations.