American David Oliver won the gold medal, as favourite Aries Merritt finished a disappointing sixth, in the men's 110 metres hurdles at the World Athletics Championships in Moscow, on Monday.
Britain's Mo Farah regained his balance after stumbling and almost falling to the track in Wednesday's heats at the world athletics championships to book his spot in the final of the men's 5,000 metres.
American LaShawn Merritt eased to victory in the 400 metres as one of several newly-crowned world champions to shine at the Stockholm Diamond League meeting on Thursday.
Powerful American David Oliver won the 110 metres hurdles title at the world championships in Moscow, while Shelly-Ann Fraser-Pryce produced a masterful display of sprinting to complete a Jamaican 100 metres double.
Olympic champion and world record holder Aries Merritt says he finds it a "little strange" that no one has dipped below 13 seconds in the 110 metres hurdles this season and plans to remedy the situation in the world championships.
Women's 100 metres world champion and Diamond Race leader Shelly-Ann Fraser-Pryce won.
World record holder Dayron Robles's start has him concerned as he prepares for a clash with the second and third fastest 110 metres hurdlers of all-time at the world athletics championships next week.
Justin Gatlin, the year's fastest at 100 and 200, had a bye in the 100 at the trials, but plans to challenge Usain Bolt at both distances in the August World Championships in Beijing.
Olympic champion Shelly-Ann Fraser-Pryce gave Jamaica a 100 metres double, comfortably winning the women's final in Moscow on Monday. The title favourite never looked troubled as she clocked 10.71 seconds.
Controversial and currently the world number one sprinter, Justin Gatlin Justin Gatlin said his relationship with organisers of the Beijing World Challenge meeting was 'great' on Wednesday, less than 24 hours after furiously claiming he had been 'kicked out' of the event.
Organising committee says he was not kicked out
Liu Xiang reduced his fans to tears in his home Shanghai Stadium on Sunday as China's finest athlete was given a fittingly heartfelt send-off.
American champion Tyson Gay continued his impressive buildup to next month's World championships on Thursday by winning the 100 metres at Lausanne's Athletissima Diamond League meeting in 9.79 seconds.
Head-to-head rivalries featuring the world's leading athletes are the best way forward for the beleaguered sport of track and field.
Hansle Parchment of Jamaica was second in 13.03 and Olympic champion and world record holder Aries Merritt claimed bronze in 13.04 seconds.