India, Feb. 22 -- The death toll in the Faridabad fire rose to four after a 28-year-old police sub-inspector succumbed to burn injuries while undergoing treatment at Safdarjung hospital in Delhi on Saturday, police said.

Ravi Kumar was among the first to reach the spot with his team consisting of constable Ajnesh Kumar and special police officer Abhishek in an emergency response vehicle in Sector 24 on Monday evening where the fire broke out.

Kumar along with firefighters Bhuvi Chand and Ranvir had entered Shiv Steel Company while fire raged from one of the five CNC machines when an explosion occurred, injuring them, the constable and the SPO.

The fire spread to Kalka Lubricant Trading Company located in the same premises after which d...