Fire engulfs St. Lucie County house

Callers hear 'loud explosion'
Posted at 2:53 PM, Dec 30, 2016
and last updated 2016-12-30 15:22:55-05

The St. Lucie County Fire District responded to an early-morning house fire after multiple callers reported hearing a loud explosion.

The fire occurred in the 700 block of 23rd St. just before 12:30 a.m. Friday.

The house, which was unoccupied, was fully involved when crews arrived.

The fire district said the fire began in the southwest corner of the structure. A nearby vacant building sustained some heat damage.

The cause is being investigated.