A 73-year old woman on board a British Airways flight from London to Nice, who was thought to be asleep, was dead, the media reported.
Fellow passengers got concerned when they were unable to wake up the elderly woman after which they alerted the crew.
The crew in turn informed the paramedics who tried to revive her but in vain.
The woman was declared dead at 10pm, and suspected to have died of heart attack, French news outlet ‘The Connexion’ reported.