Cuba's Yanidis Castillo has taken her third gold of the Paralympic Games with victory in the T46 400m.
Castillo was the heavy favourite for the race and despite a challenge from Anrune Liebenberg coasted home in a world record time of 55.72s.
Liebenberg ran a personal best of 56.65s to wrap up the silver medal for South Africa while Alicja Fiodorow of Poland was the only other woman inside the minute mark, taking bronze with 58.48s.