Â鶹Éç

In All Things Considered this week (Sunday 4 March at 8.32am, repeated Thursday 8 March at 6.03pm), Roy Jenkins' guest is a man who has walked barefoot over razor-sharp blades, broken glass and hot coals, and stood for many hours in ice-cold water.

He's worked as a bodyguard to rich and powerful people, and has seen the inside of some very rough prison cells.

is a three-times Kung Fu world champion, and ahead of his visit to Cardiff on Saturday 10 March to speak to a in his new role as a Christian evangelist, he talks to Roy about his extraordinary life.

From his barbaric childhood martial arts training at the hands of his grandfather in China, through to the personal tragedy which led him into a life of violence and crime, he tells the moving story of the powerful experiences which have changed his life.

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