The fire resulted in thick smoke billowing over nearby neighbourhoods, prompting concern among residents. 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 massive fire erupted at HPCL's oil refinery in Visakhapatnam following an explosion, causing thick smoke and panic among residents. Fire tenders are on site to control the blaze, with details.