Police in Prince George’s County have made an arrest in stabbing of a Langley Park man Saturday on Kanawha Street, authorities said.

Cpl. Mike Rodriguez, a Prince George’s County police spokesman, confirmed late Tuesday that police had made an arrest in the slaying of 32-year-old Abraham Felipe-Lopez Saturday in the 1400 block of Kanawha Street. Police identified the suspect as Mario Domingo-Ucelo, 24. He has been charged with first-degree murder, police said.

Sources said Domingo-Ucelo was Felipe-Lopez’s roommate, and he allegedly stabbed Felipe-Lopez after a dispute. It is unclear what the dispute was about, sources said.

[This post has been updated with the name of the suspect.]