One person was shot on Monday evening in Chicago's Pilsen neighbourhood during an incident involving federal agents, officials said. Chicago police said officers responded to the 1700 block of South Union Street, and the department's Investigative Response Team went to the scene to document the incident.

Source: Chicago Focal

Chicago fire officials confirmed that one person had been shot. The person's condition was not released, and officials had not explained what led to the shooting or who fired. WGN News reported that a shooting involving federal agents was under investigation on Chicago's Lower West Side, the area that includes Pilsen.

Source: CBS 2 Chicago

Police were seen surrounding an electric or motorized bike in the street, but officials have not said whether it was connected to the shooting.

Source: Chicago Focal

Nearby streets were closed, along with the southbound 18th Street exit, causing a major traffic backup on the Kennedy Expressway on Monday evening. No further information about the people involved, or what happened before the shooting, was immediately available, and the investigation is continuing.

Source: Chicago Focal