Medical helicopter down in Oklahoma with three onboard

EUFAULA, Okla., March 13 (UPI) -- A medical helicopter traveling in rural Oklahoma with at least three people aboard went down, the Federal Aviation Authority said Friday.

The helicopter, a Eurocopter A5350, went down about 11:30 p.m. Thursday near Eufaula, while traveling from Tulsa to McAlester.

The aircraft is registered to EagleMed LLC, a medical transport company. Three employees from EagleMed were aboard, the FAA said. Some six hours after the crash, authorities were still looking for the helicopter.