Business Insider's Sam Ro and Julia LaRoche are both tweeting pictures from a black van or SUV that has exploded and gone into a ball of flame around 50th st. and 5th Avenue in Midtown New York.
Details are scarce. Not clear if anyone has been hurt. There is a large crowd gathered around. Julia heard an explosion. (Update: An FDNY spokesperson tells Julia that it's a "truck" but that no further information is available at the moment).
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