Firefighters are battling a major fire at one of Australia 's two operating oil refineries. The fire broke out just after 11 p.m. local time (1300 GMT/UTC) on Wednesday at the Viva Energy Group's refinery near Geelong in the Australian state of Victoria. "The fire is not yet under control although is currently contained to the plant," Fire Rescue Victoria said in a statement early Thursday local time. It said the blaze involved "liquid fuels and gases" in the refinery's motor gasoline unit. It has told people in Geelong and the surrounding area to stay indoors, close ‌windows and doors and turn off heating and cooling systems. Some 300,000 people live in the port city, ‌which is about an hour's drive from Melbourne. All refinery staff were accounted for, Fire Rescue Victoria said, and there were no reported injuries. Ronnie Hayden told Australia's national broadcaster ABC that about 100 staff members were working at the time. All of them escaped unhurt, he said.…