The 6ft 5in star created almost as many headlines for his exuberant antics before, after and even during his races in China as he did for his remarkable performances on the track, and Bolt's obvious star quality was a welcome boost for a sport tarnished by doping scandals.

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On the Deansgate track last year, Bolt ran the fastest ever 150m.

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After the latest serious accident when seven people were injured after a cable car slammed to an unexpected stop after hitting a small bolt in the track The Associated Press obtained through a public records request a listing of cable car-related legal settlements over the last three years.

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Sunday could be the final performance on the track this year for the dazzling triple world and Olympic champion Bolt, who withdrew this week from a meeting in South Korea because of his "not-good physical condition".

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His sheer bulk -- weighing in at 120 kg as against 94 kg for Bolt -- was always going to be a barrier on the track, and he was persuaded to try a new challenge by Germany's national bobsled team coach Gerd Leopold.

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