Honolulu police are looking for a 25-year-old woman who has been missing since Wednesday.

Rebecca Robison was emotionally distraught when she was dropped off at Straub Clinic & Hospital at noon, police said. Robison mentioned to friends she planned to go hiking that day.

Police yesterday conducted a helicopter search of her favorite hiking trails but found no trace of Robison.

She is 5 feet 11, weighs 150 pounds and was last seen wearing a black and white top with shoulder straps, blue jeans with the material ripped at the knees and black slippers. She has a belly-button ring.

Anyone with information can call 911 or the Honolulu Police Department's missing persons detail at 529-3115.

FIRE DESTROYS AIRPORT WIKIWIKI SHUTTLE BUS

State transportation officials today plan to investigate the cause of a fire that destroyed a single-compartment WikiWiki shuttle bus last night at Honolulu International Airport.

Four people aboard the shuttle bus escaped without injury when it caught fire near Baggage Claim F around 9:10 p.m., said Department of Transportation spokesman Scott Ishikawa.

The driver of the electrical shuttle bus saw smoke coming from the rear-engine area, Ishikawa said.

State Air Rescue firefighters at the airport responded and were assisted by a Honolulu Fire Department company from the Mokulele station in extinguishing the fire at 9:34 p.m., said HFD Capt. Terry Seelig.

KALIHI MAN HELD IN FIREARM, DRUG CASE

A Kalihi man was being held last night at the Honolulu Police Department headquarters station for the U.S. Marshals Service on firearm and drug offenses.

Romerick D. Tabuyo, 30, of a Gulick Avenue address was being held on suspicion of possession of an unlicensed and loaded firearm and third-degree promotion of a dangerous drug, police said.

According to Hawai'i Criminal Justice Data Center records, Tabuyo has 10 prior convictions, which include first-degree terroristic threatening and third-degree promotion of a dangerous drug dating back to 1996.