America's Noah Lyles lived up to his billing as athletics' next superstar with victory in the 200 metres at the IAAF World Championships in Doha ©Getty Images

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Lyles won in convincing fashion ©Getty Images
Lyles won in convincing fashion ©Getty Images
Kelsey-Lee Barber of Australia was a surprise winner of the women's javelin ©Getty Images
Kelsey-Lee Barber of Australia was a surprise winner of the women's javelin ©Getty Images
And celebrated her victory in style ©Getty Images
And celebrated her victory in style ©Getty Images
Otmane Nait Hammou of the Athlete Refugee Team and Takele Nigate of Ethiopia fall in the men's 3,000 metres steeplechase heats ©Getty Images
Otmane Nait Hammou of the Athlete Refugee Team and Takele Nigate of Ethiopia fall in the men's 3,000 metres steeplechase heats ©Getty Images
Donavan Brazier of the United States powers to victory in the 800m ©Getty Images
Donavan Brazier of the United States powers to victory in the 800m ©Getty Images
In the 36-year history of the IAAF World Championships no-one has run faster in the 800m than Brazier ©Getty Images
In the 36-year history of the IAAF World Championships no-one has run faster in the 800m than Brazier ©Getty Images
Anthonique Strachan of The Bahamas is assisted by Dina Asher-Smith of Britain and officials after the women's 200m semi-final ©Getty Images
Anthonique Strachan of The Bahamas is assisted by Dina Asher-Smith of Britain and officials after the women's 200m semi-final ©Getty Images
The men's pole vault proved to be an enthralling competition ©Getty Images
The men's pole vault proved to be an enthralling competition ©Getty Images
Gold medallist Sam Kendricks of the United States and the silver and bronze medallists Armand Duplantis of Sweden and Piotr Lisek of Poland celebrate after the men's pole vault ©Getty Images
Gold medallist Sam Kendricks of the United States and the silver and bronze medallists Armand Duplantis of Sweden and Piotr Lisek of Poland celebrate after the men's pole vault ©Getty Images