It has been at least 30 years since one fire in Douglas County killed at least five people, according to fire officials.
In August 1976, five members of the Kappa Sigma fraternity at Baker University died in an early-morning fire cause by careless smoking.
In January 1993 in Lawrence, two separate fires within a week killed five people.
In mid-January 2006, at the Gaslight Village mobile home park, a 32-year-old woman set fire her to home, killing herself and her two children. Police ruled the incident a murder-suicide.
Less than a week later, two teenagers died in an apartment fire in the 700 block of West 25th Street. Investigators ruled that blaze arson.
In October 2005, three people died in a fire at the Boardwalk Apartments that prosecutors say was set intentionally. Jason Rose is accused of that early-morning Oct. 7 fire. He is due to go to trial in February.