When two Dallas warrant officers attempted to serve a felony warrant Tuesday night at an apartment complex, a child abuse suspect killed himself after a standoff that lasted several hours.

Daryl Elliott, 56, barricaded himself inside his northeast Dallas apartment, according to Melinda Urbina, a law enforcement spokesperson, the Dallas Morning News reported. Officers tried to negotiate with Elliott, but he was uncooperative and refused to surrender.

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Hours after officers first arrived, a sudden gunshot was heard from inside the apartment. When officers entered the apartment, they found Elliott dead on the floor from a self-inflicted gunshot wound. Police did not fire their weapons during the incident, Urbina said.