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A TV presenter accidentally exposed a martial arts expert as a complete fraud during a live broadcast - and found the whole thing completely hilarious .

The Sunrise host was talking to the man about his ability to chop apparently solid breezeblocks in half with his hands and his head.

First, the so-called expert showed viewers how he could break through the brick with a tap of a glass.

To make the demonstration seem even more authentic, the presenter tried to back the man up, assuring the audience that the blocks were completely solid.

(Image: Fly Height)

But as the host lightly touched one of the bricks to prove his point, it suddenly split right down the middle, revealing the martial arts master's trick to all the watching viewers.

The presenter then burst into laughter, before apologising profusely for ruining the illusion.

(Image: Fly Height)

As the man then moved on the break a pile of blocks with his forehead, he warned the host not to touch.

Still giggling, the presenter tries to save the situation, saying: "Either way, that was very impressive."