Top videos 23 hours ago Chicago's Christmas tree lit up for the holiday season Chicago’s Christmas tree lighting ceremony took place Friday, marking the unofficial start to the holiday season. NBC Chicago’s JC Navarrete reports. Local 0:54 Body camera video shows drunk driving arrest of Cook County elected official 3:51 Can toxic chemicals in your clothing make you sick? 2:02 Senior citizens targeted in series of Chinatown armed robberies 13:08 Happy to Report: Your dose of good news for the week 1:12 Official Chicago Christmas tree lit as holiday season begins