A Chicago man has been arrested and charged for a shooting that killed two men at a fast-food restaurant Monday night, police said.

Police late Tuesday said they were speaking to a person of interest, but would not say more than that. No arrests have been made.

Police have accused a fast food worker of fatally shooting two men at a South Side JJ Fish and Chicken after an argument Monday night. Medhi Medellel, of South Shore, faces two murder charges.

The teen, who was taken into custody in Iowa, is charged with felony first-degree murder in the killing of postal worker Octavia Redmond, police said.

An employee shot and killed two people in a South Side restaurant on Monday night. Around 10:30 p.m., police said two men were arguing with an employee inside JJ Fish and Chicken, in the 7800 block of South Western Avenue,

Police earlier said an employee was behind the shooting at JJ Fish & Chicken on Western Avenue. There's a lot of movement in this week's playoff picture after a chaotic Week 6. Week 5 is in the books and oh my there's a lot of panic on these fantasy streets.

Police say an employee pulled the trigger at the JJ Fish & Chicken on South Western Avenue. Tara Molina reports.

Police late Tuesday said they were speaking to a person of interest in the shooting at JJ Fish & Chicken on Western Avenue, but would not say more than that. No arrests have been made. Tara Molina reports.