India, June 5 -- Delhi Police on Thursday inspected the fire-damaged hotel in Malviya Nagar. Officers found that the roof exit was blocked and cooking heaters were present in several guest rooms.

These findings are now central to the investigation into the incident, which left 21 dead. After the inspection, police formed five teams to trace and arrest the absconding manager, Jai Mishra.

Officials said investigators are examining possible violations of building regulations. They are also looking into fire safety lapses and unauthorised construction.

Authorities are reviewing the bed-and-breakfast's ownership. Investigators are assessing what led to the high number of deaths.

A police officer said, "We are questioning locals, shopkeeper...