A massive explosion flattened a house in Bel Air, Maryland, early Sunday morning, killing at least one person and damaging surrounding homes.

The blast occurred in Harford County following a reported gas leak, according to local authorities.

Fire officials responded to the gas leak report, but before they could reach the scene, the house exploded, said Master Deputy Oliver Alkire of the Maryland State Fire Marshal's office. "I’ve been on the job for nearly 18 years," Alkire stated, "This is one of the largest explosions I’ve seen, especially in Harford County."

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Firefighters discovered one deceased victim at the explosion site. The victim's identity is pending notification of next-of-kin.

Around 60 emergency responders worked through debris to search for any additional victims.

Two Baltimore Gas and Electric (BGE) workers, who had been called to address an electrical issue, were at the scene when the explosion happened.

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A woman from a neighboring home, which also sustained significant damage, was treated for minor injuries at the scene.

The exploded home was listed for sale, but it is unknown if anyone was inside at the time of the blast.

Authorities confirmed that a gas odor was detected in the area before the explosion. The cause of the blast is still under investigation, and it is uncertain whether it was intentional.

Officials have requested that the public avoid the area and refrain from flying drones overhead while investigators conduct their work. Residents within the blast radius are asked to report any structural damage to local authorities.

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