At least 19 people were shot, four of them fatally, Friday into Sunday morning in Mayor Lori Lightfoot's (D) troubled Chicago.

John Catanzara said he would take Mayor Lori Lightfoot's administration to court if it enforced a directive ordering city workers to report their COVID-19 vaccination status by Friday.

Authorities are cracking down on so-called "straw purchases" that have contributed to a spate of violence in Chicago this year.