March 18, 2019 12:40 pm MBTA Blue Line Running After Fire on Friday Commuters on Monday were pleasantly surprised to see the Blue Line up and running again after a massive fire on Friday. US & World Videos 1:50 15-year-old facing charges after gunfire in Peabody 3:01 Andover artistic swimmer has Olympic dreams 1:59 Scientists give shark season outlook 2:47 Memorial Day weekend travel ramps up in Boston 1:57 Nahant Beach shooting renews concerns about beach safety