A man was shot in the 10500-block of Cottage Grove Avenue around 2:13 a.m.
Chicago police said the man took himself to the hospital. At last check he was in critical condition.
After the shooting, Chicago police declared a SWAT situation.
CPD said at least two people were barricaded inside a residence on Cottage Grove Avenue.
A second shooting victim was taken to the hospital with a graze wound. Police said they are expected to be OK.
As of 9 a.m. Chicago police said the SWAT situation ended "without incident."
One person was taken into custody.
No other details were immediately available.
This is a developing story. Check ABC7 Chicago for more updates.