HOUSTON, Jan. 18 (Xinhua) -- U.S. New Mexico State Police said Thursday that five people were killed and one severely injured in the helicopter crash in Raton, about 280 km northeast of Santa Fe, the state's capital city.

The police said the six people were on board when the helicopter crashed in the mountains near the New Mexico-Colorado border Wednesday evening.

Investigators believed the helicopter crashed sometime around 6 p.m. on Wednesday about 25 km east of the Raton Municipal Airport.

According to the police, the Federal Aviation Administration (FAA) investigators will arrive on Thursday to investigate cause of the crash.