More than 20 streets were reopened to residents on Tuesday night as the Rural Fire Service announced it had gained control of the blaze, which destroyed or damaged about 100 properties on Sunday afternoon.
At least 70 homes and other buildings have been destroyed in a ferocious firestorm that ripped through a picturesque seaside town on the NSW far south coast and is still threatening other properties.
Mr Fitzsimmons said the hundreds of residents that remain sheltered at the Bega Showground evacuation centre would not be allowed to return as long as serious risks remained in the area.
It wasn't until almost three hours later at 3.40pm, with multiple fires raging out of control, the RFS requested additional brigades and assistance from Fire and Rescue NSW.
Bega Valley mayor Kristy McBain said on Monday there was a "level of helplessness as residents wait for information on what the real impact (of the fire) will be". "It was so scary to be so close, you could see the flames and the explosions".
The fires flared up as southeastern Australia was hit by a bout of unseasonably warm weather, with gusting winds fanning the large blazes.
They're not the only ones - in Victoria, 18 more homes were claimed as more than 150 fires blazed.
"It works well with its other emergency service including Fire and Rescue NSW". Cooler conditions and rain were also forecast for Tathra, Fitzsimmons said.
Rob Rogers, a deputy commissioner for the fire service, said conditions were "like a ideal storm" and combined strong winds, high temperatures, low humidity and dry bushland. "We're a very resilient community".
Fire and Rescue NSW then dispatched a pumper engine crew but by then, the fire had rapidly increased and was fast approaching Tathra, according to the publication.
"Fire seasons are lengthening globally in response to climate change, similar seasonally "anomalous" destructive fires are being reported elsewhere in the world, such as California".
"At this stage (there have been) no lives lost", Prime Minister Malcolm Turnbull said at a news conference in the small NSW coastal town of Tathra. "Bushfires are part of Australia, as, indeed, are droughts and floods", he told reporters.