India, Sept. 24 -- A blast was reported in Oslo on Tuesday night. Norway police have cordnoned off the area and have found an unexploded grenade on the scene. As per local news agency NRK, residents around the area have been asked to stay away.

As per police, the blast occurred at Parkveien and Pilestredet area of the Norwegian capital,

Speaking to NRK, residents and witnesses near the scene stated that the explosion was so loud it "hurt their ears".

"There was a big bang. We just saw someone grab a man in a hood who ran from the scene," another witness told the local news agency.

Following the blast, an emergency alert has also been sent out to citizens. The alert reads - "There has been an explosion in the Pilestredet area. As there...