Dhaka, April 4 -- A lost mobile phone raised safety concerns onboard Air France Flight AF750, and it returned back to its origin, as several media reported.

More than eight hours long, flight AF750 is a transatlantic daily service from Paris Orly to Pointe-a-Pitre, Guadeloupe.

On March 21, an Air France Boeing 777-300ER, registered F-GSQX, was assigned to the flight, and it took off from Paris at 12:01 local time (LT) with 375 passengers.

After nearly an hour since the departure, when the flight was cruising above the English Channel at flight level 320, the crew was informed of a passenger's missing mobile phone. The crew immediately joined the passenger to help, but even with their best efforts, they couldn't locate the phone.

This ...