When I ask one of them, Tin Tun Maung, about policy debate and decision-making, an acetylene anger flares in his eyes.

CNN: A Tale of Two Countries

Two neighbouring homes were evacuated and a 200m exclusion zone was put in place amid fears there are acetylene cylinders inside the buildings.

BBC: Burning diesel destroys fire engine in Tavistock

According to Popular Mechanics, the robots are only being used to put out fires involving Acetylene gas, which had previously simply been left to burn themselves out due to the risk of explosions.

ENGADGET: "Robot" firefighters get put into service