A fire broke out at a factory in Peeragarhi early in morning on Thursday.
According to an ANI report, during rescue operations a blast occurred, causing the collapse of the factory building in which several people, including fire brigade personnel are still trapped.
14 people have been injured in the incident.
According to Dharmpal Bhardwaj, the Deputy Chief of Fire Service, "10-12 of our personnel got injured due to the blast. 4 people, including 3 fire brigade personnel were trapped, all but one of our personnel have been rescued."
The cause of the fire has not yet been ascertained, he added.
The NDRF and fire brigade are conducting rescue operations.
Chief Minister Arvind Kejriwal took to Twitter to say that he was closely monitoring the situation.
"V sad to hear this. Am closely monitoring the situation. Fire personnel trying their best. Praying for the safety of those trapped (sic)," he wrote on Twitter.
Rajendra Sagar, the Additional DCP (Outer) told ANI that 14 people have been injured in the incident,including 13 fire brigade personnel.
"The back portion of the building has collapsed, fire though is in control now,rescue operations are continuing," he said.
Further details awaited.