A person is in custody after a man was found stabbed to death Tuesday in Irving Park on the Northwest Side.

About 3:45 a.m., officers responded to the 3700 block of North Sacramento Avenue, and found Jasinto Ortiz, 38, lying on the sidewalk with stab wounds to his stomach, Chicago police and the Cook County medical examiner’s office said.

He was pronounced dead at the scene, authorities said. He lived in Belmont Central.

The person believed to have stabbed him remained on the scene and was taken into custody, police said.

Area North detectives are investigating.

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