Wildfires on the Hawaiian island of Maui killed at least 96 people, making it the deadliest U.S. wildfire in more than a century.

Emergency management officials say the death toll is expected to rise as cadaver dogs and searchers make their way through the ashes of Lahaina, a historical town of 13,000 where almost every building was destroyed in the blaze.

The Maui wildfires are currently the nation’s fifth-deadliest on record, according to research by the National Fire Protection Association, a nonprofit that publishes fire codes and standards used in the U.S. and around the world. Authorities have not yet determined the cause of the three separate wildfires that were fueled by dry weather and the winds of a nearby hurricane.

— What spurred the fires? Right now, it’s unclear; authorities say the cause is under investigation

— What is the status of the fires? The county says the fire in centuries-old Lahaina has been 85% contained, while another blaze known as the Upcountry fire has been 65% contained

— How does the loss of life confirmed so far compare with other U.S. fires? For now, it is the country’s deadliest fire in more than 100 years, with officials saying nearly 100 people are dead, but the governor says scores of more bodies could be found

— How are search efforts going? The police chief said Monday that crews using cadaver dogs have scoured about 25% of the search area, with just three bodies identified so far

— Why did the fire cause so much destruction so quickly? The governor says the flames on Maui were fueled by dry grass and propelled by strong winds from a passing hurricane, and raced as fast as a mile (1.6 kilometers) every minute in one area

— Did emergency notification services work? Officials failed to activate sirens and instead relied on a series of sometimes confusing social media posts; meanwhile, residents faced power and cellular outages

(AP)