Info: Aviation Safety Net
The FlyDubai Boeing 737 attempted to takeoff without clearance at Sheremetyevo International Airport in Moscow.
The FlyDubai, a Boeing 737-800, began rolling for takeoff on runway 06R at 06:54. At the same time Aeroflot A330-243, flight SU151, was crossing the runway just after landed from Havana, Cuba, and was taxiing to the terminal.
Tower instructed the FlyDubai pilots to abort takeoff as it was not cleared. The aircraft safely aborted takeoff and to the taxied to a parking spot on the apron.
Flight #FZ918 to Dubai was delayed for three hours while the crew was under investigation, and took off normally at 09:27 UTC.