Two marked Chicago police squad cars collided in Lawndale late Saturday; three officers were taken to hospitals with non-life-threatening injuries.

A pedestrian was struck and killed early Sunday on I‑55 southbound near Weber Road in Romeoville; lanes were closed and traffic diverted while troopers investigated.

A Fox Lake man has been charged after a 50-year-old woman was found stabbed outside an Elk Grove Village hotel; investigators say the case appears isolated.

A man was fatally shot Feb. 28 in the 7900 block of S. Ingleside in Chatham; police say it was a drive-by and no one was in custody.

Two men were critically wounded in a Bridgeport alley shooting Saturday; police say an unknown person opened fire on the 300 block of West 29th Street.

A 19-year-old man was killed in a drive-by that struck him inside a house in Auburn Gresham Saturday evening. Area detectives are investigating.

A man was stabbed aboard a CTA bus in West Town Saturday evening; the victim was taken to Stroger Hospital and detectives are investigating.

A 24-year-old man was killed and a 29-year-old was wounded in an Albany Park basement shooting Saturday; Area Five detectives are investigating and no arrests were reported.

Merrillville police say a man and a woman were found dead Friday on the 7600 block of Van Buren Street in a suspected murder‑suicide. Detectives are asking anyone with information to come forward.

A 17-year-old was shot in the thigh during an early-morning armed robbery in Austin. Police are investigating and asking the public for tips.

Two men were wounded in a shootout Friday night on South Ashland Avenue in Brainerd; one is in serious condition at Christ Hospital.

Police say two people were taken into custody after shots were reported near 46th and Winchester; weapons were recovered and the investigation is ongoing.

A 30-year-old man was killed in a drive-by early Saturday on the 3200 block of West 62nd Street in Chicago Lawn. Area One detectives are investigating.