Updated

At least five people were killed after a house exploded Thursday night in Pottstown, Pennsylvania.

Firefighters and emergency crews rushed to the scene around 8 p.m. local time. Pottstown is about 40 miles northwest of Philadelphia. Montgomery County officials said two other people were recovering in hospitals. The extent of their injures was unclear.

Pictures posted to social media show extensive damage and a massive field of debris. Multiple homes appear to have been damaged by the explosion.

Drone shot of Pottstown, Pennsylvania house explosion

Five people were killed after a house exploded in Pottstown, Pennsylvania. (Fox 29)

People living nearby told Fox 29 that they felt the explosion.

Pottstown, Pennsylvania house explosion drone picture

The explosion leveled the home. (Fox 29)

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"We thought that either an earthquake was happening or that someone crashed into the building," Katie Washabaugh, who lives down the street, told the station.

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People in neighboring communities miles away also reported feeling the explosion.

House Explosion Pottstown, Pennsylvania

Investigators raced to the scene of the explosion. (Fox 29)

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All schools in the Pottstown School District will be closed Friday, officials said.

Montgomery County officials said they believed a gas leak may have sparked the explosion.