02/13/2015 02:23 pm ET Updated Feb 13, 2015

Smoke Visible For Miles After Reported Explosion At Florida Hospital (UPDATED)

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A hospital in South Florida was evacuated Friday afternoon after a reported explosion.

The building where the explosion occurred was under construction and workers were on a lunch break when the fire started, Local 10 reports. The blaze initially began in an electrical room, according to NBC Miami. Officials believe the fire subsequently led to a 100-pound propane tank exploding.

So this happened today.

A video posted by ♡ (@young_nirvana) on

Cole Kingsberg told the Miami Herald he was inside the hospital when he heard a loud boom. "I thought a bomb went off,” he said. “Then I saw really thick, dark smoke.”

Smoke coming from the hospital was visible from miles away.