Authorities in London are working to identify a man believed to have fallen Sunday from an airplane's landing compartment, Metropolitan Police said in a news release.

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The man's body was found around 3:40 p.m. local time Sunday in a garden in London's Clapham district, authorities said. He is believed to have stowed away on a Kenya Airways flight bound for Heathrow Airport. Authorities said they found a bag, water and some food in the plane's landing gear compartment after it landed.

Police do not believe the man's death is suspicious. Authorities said a postmortem examination is planned.

The man fell from a Kenya Airways plane that was traveling from Nairobi, according to The Associated Press. A spokesman for the airliner told BBC News in a statement that the trip takes just under nine hours.

"It is unfortunate that a person has lost his life by stowing aboard one of our aircraft and we express our condolences," the spokesman told BBC News. "Kenya Airways is working closely with the relevant authorities in Nairobi and London as they fully investigate this case."

Although unusual, it's not the first time a stowaway has been killed in a fall from an airplane, Sky News reported. The news network reported a 30-year-old man from Mozambique, identified as Jose Matada, died in September 2012 after falling from the undercarriage of a flight traveling from Angola to Heathrow. In 2015, a man landed on a shop in southwest London after he fell from the undercarriage of a plane traveling from Johannesburg, according to Sky News.