Back Bay September 21, 2023 11:12 am Firefighters respond to Hynes Convention Center A routine test of the generator resulted in a fuel line catching fire. US & World Videos 3:22 Key witness returns to the stand in Karen Read trial 1:11 Norfolk residents ask for answers about migrant shelter at former prison 2:29 Dad of teen killed decades ago speaks ahead of killer's parole hearing 3:03 Children wounded in Gaza come to Boston for treatment 20:16 Karen Read trial: Witnesses testify about what they saw outside 34 Fairview Road