suffolk downs May 31, 2022 6:12 am Large Fire at Suffolk Downs Grandstand Building Boston’s Fire Commissioner says there was very heavy smoke, and the fire seemed to be concentrated in the simulcast booth at the top section of the historic building that overlooks the old racetrack. US & World Videos 1:37 Karen Read trial: Witness testimony continues Tuesday 2:09 Celtics win Game 4 in Miami, lead Heat 3-1 in series 2:28 Motorcyclist arrested in deadly Methuen hit-and-run 2:21 Tempers flare at Canton police audit meeting 2:36 Karen Read trial begins with opening statements Monday