The third man had earlier kicked open a secure door to a stock room and escaped through a fire door.
Courtney Ratcliffe's calm response to the blaze on Finchley Avenue, Newton Heath, on Wednesday, ensured they escaped unharmed, fire chiefs said.
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One of the fire investigators, who had been standing by an open door in the living room, escaped moments before the oxygen-starved fire roared out of the room into the hallway a fireball that caused the corridor to go quickly into flashover as well, propelling the fire out the front door and onto the porch.
"The Marines returned fire, but the attackers escaped and we have no idea who they were, " Myers said.
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It was the same Sunday night, when firefighters rushed through a hole punched into the wall of the Kiss nightclub by people who had escaped the building after it caught on fire.
Shortly after an unmarked Johan Djourou nodded over from Bacary Sagna's cross, Nasri and Arshavin played a one-two on the right-hand side of the area and the Frenchman escaped the attentions of Gareth Barry to fire past Hart at the near post.
Both soldiers returned fire, but the intruder apparently escaped.
Doomsayers worry that the world has escaped from the financial frying pan into a fiscal fire.
The National Transportation Safety Board is also asking how problems with the aircraft's lithium-ion battery system that led to a fire aboard one plane and smoke in another escaped the notice of regulators and company officials who certified the plane's safety.
An Italian diplomat has come under fire in Libya's second city, Benghazi, but escaped unharmed.
Newcastle's performance was a prime example of why they have failed to survive this season, lacking any fire and urgency despite the scale of the prize on offer if they escaped.
During his long years at the helm, Mubarak escaped at least two assassination attempts, including a close call in 1995 when Islamic militants opened fire on his motorcade at a pan-African conference in Ethiopia.
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"I am very relieved that William and his family have escaped injury and acknowledge the vigilant work and quick thinking of local PSNI officers in spotting the fire and getting everyone to safety, " Mr Kennedy said.
BBC: Willie Frazer standing at the scene of the arson attack
There were places that would never be destroyed by a fire or a tornado or an earthquake, just as there were those lucky people who escaped disasters unscathed.
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