A South Side man was ordered held without bail Saturday, charged with first-degree murder in the shooting death of a Harwood Heights man authorities say he got into a fight with at a store on the Northwest Side over the Memorial Day weekend.

Florin Mulosmani, 24, is charged in the death of 23-year-old Damien Cionzynski, who was shot in the head around 5:15 a.m. May 28 at a store in the 6300 block of West Montrose Avenue in Portage Park.

The police say Mulosmani and another man, who hasn’t been arrested, had been fighting with Cionzynski. They did not say whether Mulosmani pulled the trigger.