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CHICAGO — A person of interest was taken into custody after a Chicago police officer and two federal agents were shot near the 22nd District police station in Morgan Park.

Two agents from the federal Bureau of Alcohol, Tobacco, Firearms and Explosives and a Chicago officer were conducting an undercover investigation in an unmarked vehicle near 119th and I-57 around 5:50 a.m. Wednesday when they tried to get onto the ramp and were fired upon. Chicago police Supt. David Brown said shots were fired from the street.

All three who were shot had non-life threatening injuries. One of the ATF agents was hit in the hand, the other was struck on their side near their arm. The Chicago officer suffered a graze wound on the back of the head.

According to police, the person of interest was being questioned in connection with the incident, but they did not provide any further information.

The Chicago officer who was shot was the 36th cop who was shot at this year, Brown said.

The shootings come a day after police reported that 100 people were shot in the city. including two police officers who were wounded while trying to break up a crowd. over the Fourth of July weekend.