Toronto subway e-bike fire highlights dangers of incidents involving lithium-ion batteries

 https://toronto.citynews.ca/2024/01/01/ttc-sheppard-yonge-subway-train-fire-ebike-lithium-ion-batteries/

Being underground when any type of fire starts can immediately become very dangerous.

https://torontosun.com/news/local-news/warmington-what-looked-like-a-bomb-blast-on-ttc-subway-was-actually-an-e-bike-battery

https://www.thestar.com/news/gta/e-bike-sparks-blaze-aboard-ttc-line-1-subway-car-sends-2-people-to-hospital/article_2564d288-a828-11ee-b29e-67fd70c85422.html

https://en.wikipedia.org/wiki/2008_Channel_Tunnel_fire

The 2020_New_York_City_Subway_fire was quite destructive.

https://en.wikipedia.org/wiki/2020_New_York_City_Subway_fire#Investigation

https://en.wikipedia.org/wiki/List_of_transportation_fires#Train_and_rail_fires