At least 12 people were Tuesday morning killed after a light aircraft crashed in Tsimba Golini area, Kwale County.
Witnesses and police said all on board died out of the crash.
The victims are thought to be tourists, police said.
The caravan plane operated by Mombasa Air Services had taken off from Diani airport and was headed for Kichwa Tembo when it crashed.
The cause of the crash was not immediately known.
Police and other emergency service providers were at the scene soon after the crash.
The airline operates between Mombasa and other tourist destinations in the country.
Experts are investigating the crash.
Such accidents are common in the area which is believed to be hilly.
The Kenya Civil Aviation Authority (KCAA) confirmed that an aircraft registration number 5Y-CCA, on its way from Diani to Kichwa Tembo crashed at 0530 hours.
“The aircraft had 12 persons on board. Government agencies are already on site to establish the cause of the accident and its impact,” Director general Emile Arao said.
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