Bertrand Gbongou Liango (born April 2, 1982) is a

Central Africa Central Africa is a subregion of the African continent comprising various countries according to different definitions. Angola, Burundi, the Central African Republic, Chad, the Democratic Republic of the Congo, the Republic of the Congo, ...

taekwondo ''Taekwondo'', ''Tae Kwon Do'' or ''Taekwon-Do'' (; ko, 태권도/跆拳道 ) is a Korean form of martial arts involving punching and kicking techniques, with emphasis on head-height kicks, spinning jump kicks, and fast kicking techniques. T ...

athlete. He was the 2003 African featherweight champion and competed in the men's 68 kg class at the

2004 Summer Olympics The 2004 Summer Olympics ( el, Θερινοί Ολυμπιακοί Αγώνες 2004, ), officially the Games of the XXVIII Olympiad ( el, Αγώνες της 28ης Ολυμπιάδας, ) and also known as Athens 2004 ( el, Αθήνα 2004), ...

. However, Liango was knocked unconscious during his first round match against Tuncay Caliskan of

Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...

. Following mouth-to-mouth resuscitation, he was taken to hospital and diagnosed with a concussion. He had been leading 4-1.

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* 1982 births Living people Central African Republic male taekwondo practitioners Taekwondo practitioners at the 2004 Summer Olympics Olympic taekwondo practitioners for the Central African Republic African Games medalists in taekwondo African Games gold medalists for the Central African Republic Competitors at the 2003 All-Africa Games {{CentralAfricanRepublic-taekwondo-bio-stub