Flash flooding in Utah kills a firefighter and four members of his family, multiple reports say. The victim is identified in coverage as a firefighter who was serving as a captain. The deaths include a husband, a wife and their three sons, according to the accounts. The family was caught during an outing that was affected by rapidly rising water. One daughter is reported to have survived because she does not join the trip. Emergency response efforts are described as continuing following the incident, with authorities treating it as a fatal event involving family members and a first responder. Coverage also highlights the danger of flash floods, which can develop quickly and surge with little warning. The reports provide consistent core details: the location is in Utah, the incident involves flash flooding, and five family members plus the firefighter are reported dead, with one daughter remaining alive. Officials have not indicated any other victims or injuries beyond those stated in the reports.