One person was killed and two others were injured in an explosion in north Delhi's Naya Bazar in Chandi Chowk area on Tuesday.
A senior police officer said the cause of the explosion was yet to be ascertained. Forensic teams and officers from the Special Cell are on the spot and collecting samples.
Delhi Police personnel have been maintaining a tight vigil in view of the festive season.
Home Minister Rajnath Singh spoke to Delhi Police Commissioner Alok Verma over the death of a person in the explosion.
The Home Minister, who is in Bahrain, telephoned the Delhi Police Commissioner to take stock of the situation in the national capital.
Verma briefed him about the incident and the steps taken in this regard, official sources said.
The Home Minister instructed the Delhi Police Commissioner to arrest those involved in the incident and take all possible measures to ensure peace in the city.
Prima facie it looks like a firecracker explosion in a jute bag: Virendra Chahal,Jt CP Northern Range on explosion in Delhi's Chandni Chowk pic.twitter.com/gm294OKYDmâ€” ANI (@ANI_news) October 25, 2016