India, Feb. 17 -- At least 37 people, including three police personnel and two firefighters, were injured after a lubricant shop in the industrial area of Sector 24 in Faridabad caught fire that triggered a chain of explosions on Monday evening, police and administration officials said.

Police said the fire broke out around 4.20pm at Kalka Lubricant Trading Company, where a large number of drums containing lubricating oil and chemicals were stored. Sheet metal cutting work on two CNC machines was also underway in the 200-square-yard shop, which employed 12 workers. Officials suspect metal fragments mixed in oil may have intensified the blaze. The shop owner was critically injured and is undergoing treatment in the burn ward at AIIMS-Delh...