India, Aug. 31 -- A massive explosion rocked a petrol station in Russia's Dagestan on Friday, after a gas cylinder blast triggered a massive fireball into the sky. Video footage of the dramatic moment when the gas station burst into huge flames surfaced online.

According to local authorities, the blast was caused by a depressurised gas cylinder, which in turn blew up several other cylinders and fuel pumps.

At least four people have lost their lives in the mishap, and several others were injured, according to a Mirror report. The explosion took place in the Sulevkent village of the Khasavyurt district.

The explosion is said to be so powerful that an entire petrol station, a nearby service centre, and nearby food stalls were flattened du...