Officers were also alerted to a suspected stowaway on a flight from Johannesburg to Heathrow at 08:20 local time. The west London police officers are not confirming if the two incident reports were linked in any way. The 'second' stowaway found on a British Airways flight was then transferred to a west London hospital where he remains in a serious condition.
The survivor is aged between 25 and 30, his identity remains to be establishedthe Met said.
In a statement, British Airways said: "We are working with the Metropolitan Police and the authorities in Johannesburg to establish the facts surrounding this case."
A post-mortem examination has been carried out on the dead man.
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