A dispatcher told ABC15 in Phoenix that four other people have unknown injuries and that authorities are possibly looking for one or two more people.
Strong winds, darkness and hard terrain hindered the rescue of those injured, with the casualties taken to hospital by helicopter after 9 p.m. local time, CNN reported. Fujimoto captured this photo, which has been tweeted by Gerard Ramalho of Las Vegas' NBC affiliate, of the smoke-filled scene.
The only access to the crash site is by helicopter or on foot by hiking 20 miles. Nellis Air Force Base in the Las Vegas area was flying down to help, he said.
The A.P. said a phone call and an email to Papillion were not immediately returned Saturday. The FAA has commenced an investigation into the accident.
According to reports, the place was reportedly carrying six passengers and a pilot. He did not name which company the helicopter was part of.
Federal authorities are expected to investigate the incident.
The Grand Canyon National Park in northern Arizona, April, 12, 2015.
Bradley said rescue efforts were still ongoing late Saturday and three of the four injured have yet to be flown out.
The 600-employee company has a fleet of 48 helicopters.