I saw this report in Trains Newswire. It appears engine engulfed in flames was the Phase 1 heritage unit. Glad to hear no injuries occurred as a result of the fire.
https://www.trains.com/trn/news-reviews/news-wire/fire-damages-amtrak-equipment-at-washington-yard/
https://www.trains.com/trn/news-reviews/news-wire/fire-damages-amtrak-equipment-at-washington-yard/
