The Brief Multiple people were injured at a hotel under construction in Downtown Houston. The fire department says a boiler exploded and the top floor collapsed. They were reportedly burned in the face. Multiple people were burned when a boiler exploded at a hotel under construction in Downtown Houston, officials say. Multiple people burned in Downtown HoustonWhat we know:According to the Houston Fire Department, the incident occurred at a Holiday Inn that is under construction at Texas Avenue and Austin Street around 11 a.m.