Trash Fire Suspends B and C Train Service, Shuts Down Part of A, D Lines During Morning Rush | NBC New York:
"The B and C subway lines are completely shut down and there is no uptown A or D service in either direction because of a trash fire at 145th Street, officials said.
Several trains were evacuated as firefighters worked to clear the smoke on the track south of 145th Street. Commuters said thousands were stranded.
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Video posted to social media showed fire trucks at virtually every corner of the intersection near St. Nicholas Avenue and West 145th Street.
Twitter user Tamara Hansson said she and several hundred other commuters had to get off their train and walk to the No. 1 train as authorities investigated.
"Literally a thousand people waiting at 1 train, and train just drove straight through - we are all gonna be late for work," she tweeted a short time later..."