Update: The Chicago Tribune is reporting that a man pointed a gun at Chicago police officers shortly after 10 p.m. Wednesday.
Police officers fired at the man on the 3100 block of West 84th Place in the Wrightwood neighborhood, but no one is struck.
Residents said they heard gunshots on the block, a reader said.
A gun was found in a yard a block from the shooting. The man was at large but is reported to have been arrested.
Police scanner chatter said the man was arrested. Officer Hector Alfaro of Chicago Police News Affairs confirmed that a man was in custody.
Earlier: A community alert has been issued over the Oak Lawn Emergency Notification System around 11 p.m. Wednesday.
Evergreen Police are assisting Chicago Police in "looking for a subject," the alert said. No further informaiton is available.
Police ask that should residents see someone suspicious to call 911.
Patch will continue to monitor this development. If you see anything out there in the Evergreen Park and Oak Lawn area in terms of police activity, let us know in the comments.