This is the moment a petrol station in Vietnam explodes in a colossal fireball, leaving one person dead. Footage captured on Thursday (May 10) in Hanoi shows the blaze at a petrol station which engulfed surrounding houses. After burning slowly for several seconds, the massive blaze flares up, sending smoke billowing into the air. Witnesses report hearing loud explosions before the fire. Six people from a nearby home that caught fire escaped, but one person is believed to have died. The survivors' conditions are unknown.The fire was taken under control after burning for an hour, according to reports.