Man shot to death in Portage Park

A man was shot to death in the Portage Park neighborhood on the Northwest Side Saturday morning.

Damien Cionzynski, 23, got into an altercation with two other males inside a business about 5:15 a.m. in the 6300 block of West Montrose, police and the Cook County medical examiner’s office said.

Cionzynski was shot in the head and pronounced dead at the scene, authorities said. He lived in the 4400 block of North Nashville Avenue in Harwood Heights.