I found one guy who claims that the (unattended) train was on fire an hour before the 73 tank cars hit town going faster than the track curvature was rated.
https://twitter.com/MrHuchette/status/353555167897071617/photo/1
“The railroad is under the supervision of Montreal, Maine &
Atlantic. The company owns around 500 miles of track across Maine
and Vermont in the US, as well as in Quebec and New Brunswick in
Canada. “
I hope the Republicans don’t let this disaster go to waste in getting the pipeline approved........