MARLBOROUGH (CBS) – Firefighters responded to a house explosion early Sunday morning.

A house exploded in Marlborough. (Photo credit: Marlborough Fire)

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Around 1 a.m., firefighters were called to reports of smoke and flames at 15 Grant Court.

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When they arrived, they found the walls of the house had been blown out and collapsed. One person was home at the time of the explosion and made it out on his own.

The man was taken to UMass Medical Center for injuries. Police have not released his name or the extent of his injuries.

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Marlborough Fire and the State Fire Marshal’s Office is investigating the cause of the explosion.