Boston Celtics fans celebrate Banner 18 as the 2024-2025 season begins

The Boston Celtics are raising their 18th championship banner in their season opener Tuesday and fans are flocking to City Hall Plaza for a free watch party which includes live performances by Shaboozey and Benson Boone. YouTube: http://www.youtube.com/CBSBoston Facebook: https://www.facebook.com/CBSBoston Twitter: @wbz