NAIROBI, Kenya (AP) — A helicopter with seven people on board crashed Wednesday morning in a remote part of northern Kenya, the country's aviation agency said. The fate of the passengers and the pilot wasn't immediately known.

The helicopter crashed at 9:13 a.m. while flying from the Loisaba Conservancy to the Ewaso Nyiro area in Samburu County, according to the Kenya Civil Aviation Authority, which said in a statement that an investigation was underway. It said there were seven people on board — six passengers and the pilot.

The helicopter crashed in a rugged area in the foothills of Mount Ololokwe, a popular tourist destination in the country, local media reported. The helicopter, owned by local company Lady Lori Helicopters, was carrying guests with travel company &Beyond. Lady Lori Helicopters said in a statement that the aircraft was operating a charter flight when it crashed.

Tropic Air Kenya, a local safari operator, said in a statement that it dispatched two of its helicopters to aid search and rescue operations.

The aviation authority said that the aircraft was a Eurocopter EC130 B4.

The Kenya Red Cross said that its emergency response teams were “participating in a multiagency response effort as rescue teams work to access the crash site.”

Helicopter crashes have happened with increasing regularity in Kenya, which has a vibrant tourism industry that depends on domestic carriers to ferry visitors to distant places like Mount Ololokwe.

In February, a legislator was among six people who died after a helicopter crash in a hilly area of western Kenya.

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This story has been corrected after a previous version erroneously said that local safari company Tropic Air operated the helicopter.