A heatwave stretching across Australia is in its second day, with authorities battling multiple blazes across Victoria.

NSW border fire crews were on alert following reports of a bush fire burning in Mount Lawson State Park, about 50km east of Albury.

Four homes have been lost in a fire that is burning through thick bush on the NSW Mid Coast. A NSW Rural Fire Service spokesman said they had received reports homes had been destroyed in the fire, but ...