Viviana Márton won gold, her twin sister Luana won bronze at the world ranking competition

Olympic champion Márton Viviana won a gold medal, while her twin sister, world champion Luana, won a bronze medal at the British Open taekwondo world ranking competition.

Márton Viviana won gold and her twin sister Luana won bronze at the world ranking competition - The Hungarians excelled at the G1 competition in Manchester.