Houston Hotel Fire Kills Firefighters During Enormous Blaze And we turn next to houston, where the high temperature today WAS IN THE 90s, AND IT WAS A Grueling mission for firefighters. Trying to wabattle an enormous fire that broke out at a hotel. So many brave responders risking ron claiborne. Reporter: The fire apparently startled in a sports bar. It quick little engulfed a neighboring hotel. As the fire spread, the building's roof collapsed. Authorities said four firefighters were killed, battling the five-alarm blaze. We can confirm for you at this time well have four fatalities, four firefighter fatalities. Family mefbls are currently being notified. Rter: Some the survivors could be seen saluting. A traditional honor for a fallen comrade. At least six firefighters were injured and taken to the hospital. Tom abrams, a reporter for abc houston affiliate ktrk was at the scene. More than 15 firefighters responded to the blaze of the hotel and restaurant, responding not only to the flames and intense heat and thick, black smoke, but a wind that kept changing direction, making fighting that fire all the more dangerous. Reporter: As the blaze burned out of control into the afternoon, with the temperatures SOARING INTO THE 90s, SEVERAL Firefighters were overcome with dehydration. And this exhausted fire fighter the, staggered. Late this afternoon, the fire was finally brought under control, but so far, the cause is unknown. Ron claiborne, abc news, new