2 Chicago police officers shot in South Shore, sources say; COPA responding

Two Chicago police officers were shot on the city's South Side Friday evening, sources told CBS News Chicago.

Reports of officers down near 79th and Chappel on the border of South Shore and South Chicago shortly after 5 p.m.

Multiple sources with knowledge of the situation said the incident began as a traffic stop. One officer was struck in the vest, the other in the arm. The sources said both officers are expected to be OK and are at University of Chicago Medical Center where their conditions are stable.

The sources said both officers are from the Fourth District tactical unit. 

The Civilian Office of Police Accountability said it was responding to an officer-involved shooting in the 2000 block of E. 79th Street in the city's South Shore neighborhood, but did not offer any further details. 

 A Chicago fire source said a civilian was also injured, but did not give any further details. 

The Chicago fire source told CBS News Chicago that all three were taken to local hospital for treatment. No conditions were immediately known. 

CBS News Chicago has reached out to the Chicago Police Department for more information and are waiting to hear back. 

This is a breaking news story. Check back with CBS News Chicago and CBSChicago.com for updates.