HONOLULU (KHON2) — All roads have been reopened after a structure fire in Waikiki that prompted officials to close Nohonani Street from Kuhio Avenue to Ala Wai Boulevard.

According to the Honolulu Fire Department, they received a call about a fire on Nohonani Street in Waikiki at around 4 p.m. on Friday, April 22.

When HFD arrived they said flames were emanating from a fourth-floor corner unit in a four-story apartment building. Firefighters immediately secured a water supply to attack the fire and searched for any occupants in danger.

HFD first reported that the building on fire was a three-story apartment building but later corrected it to be a four-story apartment building.

Smoke fills the air as firefighters respond to a structure fire on Nohonani Street in Waikiki on April 22.

HFD said that by 4:50 p.m. fire crews completed their search that revealed no occupants were in the fire. At around 5 p.m. the fire was extinguished.

Approximately 43 personnel from eleven HFD units responded to the emergency.

The American Red Cross was requested to assist one adult male, two adult females and one female child.

What caused the fire is under investigation by officials.

HNL Info Alert reported the road closure at around 4:15 p.m. Drivers were asked to use alternate routes.