Law enforcement investigates a fatal shooting inside a residence in the 1000 block of Main Street in Antioch early Tuesday morning. | Photo: Jimmy Bolf

A homicide investigation is underway after officers found a 42-year-old man shot to death inside an apartment in Antioch late Monday evening.

The Antioch Police Department responded around 11:05 p.m. Monday to the 1000 block of Main Street in Antioch.

Lake County Major Crime Task Force Spokesman Christopher Covelli said officers received a 911 call of shots fired.

Officers arrived and spoke to a person in the area who heard shots fired from a nearby apartment.

Officers made entry into the apartment and located a 42-year-old man who had been shot, Covelli said.

The victim was pronounced dead at the scene.

Law enforcement investigates a fatal shooting inside a residence in the 1000 block of Main Street in Antioch early Tuesday morning. | Photo: Jimmy Bolf

Covelli said a preliminary investigation shows the man was shot by a person or persons, who then fled the scene before officers arrived.

The shooting appears to be a targeted, isolated incident, Covelli added.

The Antioch Police Department requested the assistance of the Lake County Major Crime Task Force.

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Numerous police departments from surrounding areas also responded to the scene.

Antioch police officers and Lake County Major Crime Task Force investigators are actively investigating the incident.

No one is in custody yet, Covelli said.

Anyone with information about the incident is encouraged to call the Antioch Police Department at 847-395-8585.

Anonymous tips can be provided to Lake County CrimeStoppers at www.lakecountycrimestoppers.com.