Crews responded to an explosion in an underground electrical room at the Whitehall Hotel Friday afternoon, according to the Houston Fire Department.

HFD says electrical contractors, who were working for the hotel, were replacing a breaker in an underground electrical room when the breaker exploded.

#BREAKING one person injured in explosion at the Whitehall Hotel in Downtown Houston, HFD says. #khou11 pic.twitter.com/WpTpGBPyK6 — Brett Buffington (@BrettKHOU) November 10, 2017

Officials say three contract workers were in the electrical room when the explosion occurred, and two of them were injured.