Woman killed, 6 others wounded in shooting at Chicago memorial gathering

A 25-year-old woman was killed and six others were injured in a shooting at a memorial gathering in Chicago.
The group had gathered to honor a man killed in a car crash four years ago when an altercation led to gunfire.
One victim remains in critical condition while the others are stable.
The shots were fired by one or more people participating in the memorial gathering.
Police have not made any arrests and continue to investigate.