TEAM GB star Luke Greenbank was DISQUALIFIED from the 200 metre backstroke having swam the fastest time in the heats.

The 26-year-old thought he had safely booked his spot in the semi-finals by beating German Lukas Maertens in the fourth heat on Wednesday morning.

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But he was then left with his head in his hands when a video replay saw him disqualified for being underwater beyond the 15-metre mark at the start.

The result came up on the board in the stadium and Greenbank was visibly distraught.

He collapsed to his knees as he realised his Olympic dream in Paris was over following the rule break.

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