The Honolulu Fire Department is investigating the cause of an early-morning fire that broke out at a tiny home complex for the homeless in Kalaeloa Tuesday night. The incident happened around 2:30 a.m. at the Kamaoku housing complex on Yorktown Street. Firefighters said a 47-year-old woman exited the house safely. No one else was inside at the time of the fire. The fire was extinguished just after 2:40 a.m., HFD said. The cause of the fire and damage estimate is not known at this time.