David Weir has won his third gold of the London Paralympics after taking the T54 800m title with a time of 1:37.63.
It was his closest fight yet but Weir, who was level at the bend, used his strength to claim gold along the home straight.
Marcel Hug of Switzerland also finished strongly and he took silver from Zhang Lixin, who was disqualified after the race.
It meant Saichon Konjen of Thailand took bronze.