Shelly-Ann's treble

Jamaica's Shelly-Ann Fraser-Pryce roared to an unprecedented third women's 100 metres world title in a flash of green dreadlocks on Monday.

The double Olympic champion, wearing a band of yellow daisies in her green-dyed hair, clocked 10.76 seconds in Beijing as she emulated superstar countryman Usain Bolt, who blazed to glory in the men's 100m the previous night.

Fraser-Pryce got off to an explosive start and was never seriously threatened, winning in relative comfort from Dutchwoman Dafne Schippers, who took silver in a time of 10.81 with American Tori Bowie third in 10.86.

The pint-sized Jamaican, who captured the world title in 2009 and 2013, will now look to repeat the 100-200m sprint double she achieved in Moscow two years ago. Fraser-Pryce will also have an Olympic treble in her sights in Rio next year.

The American threat failed to materialise as Fraser-Pryce, 28, underlined her dominance, qualifying quickest for the final in 10.82.

Canada's Shawnacy Barber prolonged Frenchman Renaud Lavillenie's world championship jinx by snatching men's pole vault gold.

Barber, 21, managed a best of 5.90 metres, winning on countback from defending champion Raphael Holzdeppe of Germany at the Bird's Nest stadium.

Olympic champion and world record-holder Lavillenie could only clear 5.80 and shared bronze with Polish pair Piotr Lisek and Pawel Wojciechowski as his challenge fell flat again.

Kenya's Ezekiel Kemboi continued his amazing medal streak by winning a fourth consecutive world steeplechase gold.

The 33-year-old, a two-time Olympic champion (2004 and 2012) who has also won three world silvers, timed 8min 11.28sec for gold, holding off Kenyan team-mate Conseslus Kipruto in the final straight.

Kipruto claimed silver in 8:12.38 with another Kenyan, Brimin Kiprop Kipruto, completing the podium with bronze (8:12.54).

Kenya's Vivian Cheruiyot won back the women's 10,000m world title on Monday, producing a commanding last-lap surge for victory just a year after starting a family.

Cheruiyot, who previously claimed the 10km title in Daegu in 2011 and is also a two-time world 5000m champion, clocked a winning time of 31 minutes, 41.41 seconds in Beijing.