A former policeman has been detained for questioning over the Air France flight that was forced to make an emergency landing after a fake bomb sparked an alert.
Passengers were evacuated off emergency slides in Mombasa when a suspicious parcel with timer attached was found in the toilet of the Paris-bound flight.
Now a 58-year-old man from the Indian Ocean island of Reunion, once himself a policeman, has been arrested, according to Europe 1 radio.
His wife is being questioned as a witness, although neither of their names have yet been given.
The arrest is part of an investigation prompted by an Air France lawsuit for "reckless endangerment" while the airline was bringing the flight from Mauritius to the French capital.
When a passenger told crew of a package in the toilet on Sunday, the plane landed at Moi International Airport to evacuate its 459 passengers and 14 crew members.
After initially believing the device to be a "bomb", Air France confirmed it was a fake and someone had played a dangerous hoax.
Frederic Gagey, the head of Air France, said investigations revealed the device was made of cardboard, paper and a household timer.
"This object did not contain explosives," he told a news conference in Paris.
Following the arrest today, the lawsuit does not name a perpetrator but has left it to investigators to determine who might eventually be sent to trial.
The bomb scare Sunday was the fourth such hoax against Air France in recent weeks.
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