CHICAGO -- (WGN) -- A manhunt is underway after an ATF agent was shot in the city's Back of the Yards neighborhood.
The shooting happened around 3 a.m. Friday in the 4500 block of South Hermitage Avenue.
The ATF agent was working undercover in a joint mission with Chicago police task force officers when the shooting took place.
The agent was transported to Stroger Hospital and is listed in critical condition.
No one is in custody.