Visuals of towering column of fire accompanied by thick smoke, illuminating the night sky over the port city went viral. A fire erupted at HPCL's Visakhapatnam refinery in Andhra Pradesh late Monday night. Firefighting teams controlled the blaze within an hour, with no casualties. A fire broke out at the HPCL facility in Vizag on Monday night, causing no casualties. Police and officials confirmed the cause is still under investigation.