Authorities in Pennsylvania say an explosion at a West Philadelphia apartment building injured the man who caused it.

According to WPVI, a 56-year-old man was in his apartment late Saturday night when he ignited an explosive device that caused significant damage to the property.

The suspect was seriously hurt in the incident, including facial lacerations and broken ribs among other injuries.

Along with police, emergency personnel responded to the five-story residential building in the 4900 block of Spruce Street at about 11 p.m. on Saturday.

Officials say the explosion occurred in a ground floor apartment.

As WCAU reported, the Philadelphia Police Department’s bomb squad were able to clear the premises. Approximately 20 residents who had been evacuated in the wake of the explosion have since been allowed to return to their units.

Upon identifying the injured man, he was transported to Penn Presbyterian Hospital and was admitted in stable condition.

Police reports indicate he told investigators that the explosion came amid a disagreement between him and two other individuals.

He allegedly lit a “quarter stick of dynamite” that he has previously purchased from a fireworks dealer.

The unidentified subject reportedly claimed that he did not expect the explosive device to detonate as quickly as it did.

There were no other injuries reported in connection with the incident. Officials say the explosion caused damage to the windows in the man’s apartment unit.

As of the latest reports available, the man had not been criminally charged. Police said an investigation into the matter remained ongoing.

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