Colossus, a wooden roller coaster in California that was once the nation's tallest wood coaster, caught fire on Monday and came apart at one of its highest points.
Workers were welding the 36-year-old ride, which recently shut down amid cries to keep it open. Six Flags later announced they were reopening the attraction as Twisted Colossus, a hybrid wood-and-steel coaster.
Part of the reconstruction involved welding, which led to Monday's fire and collapse. No one was hurt and officials don't believe any more of the ride will tumble to the ground. Read more here.