Noted

Multiple media outlets (like ABC 7 and the Post) are reporting on a jacket or bag fire that happened on a northbound F train as it pulled into Second Avenue early Saturday morning.

This social media user captured the fire...

Ahh, New York ❤️🔥 pic.twitter.com/d6kG7A7AIf

— Stephen (@Stibbanski) January 21, 2018

The incident snarled subway traffic for an hour, as the F trains were rerouted first to the A line, then over to the E line. Service resumed within an hour.

Per ABC 7: "Authorities have not confirmed how the fire started or who caused it."