DETROIT (WWJ) – Two people are hospitalized after fire resulting from a possible explosion at an apartment building along the Dearborn and Detroit border.

First responders from Dearborn got the call for what was initially reported as a medical run on Greenfield near Warren, but discovered the fire upon arrival.

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Detroit fire crews were called in to douse the flames.

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At least one of the victims suffered burns, but the extent of their injuries is not known. One apartment had extensive damage.

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An investigation into the cause of the explosion and fire has not been determined.