World and Olympic champion Usain Bolt needed a late surge to narrowly beat fellow Jamaican Nesta Carter in the 100 metres with his season's best time of 9.88 seconds at the Monaco Diamond League meeting on Friday.
Christian Coleman showed again he is the man to beat in the 100 metres as he cruised to victory at the US Nationals and World Championship trials with another sub-10 second run on Friday. World silver medallist Coleman, who holds the year's fastest time of 9.81 seconds, won the final in 9.99 seconds after clocking 9.96 in the semi-finals.
World and Olympic champion Usain Bolt powered away late in the race to win the 100 metres in 9.8 seconds at the season-closing Diamond League meeting in Brussels on Friday.
Images from Saturday's proceedings at the World Athletics Championships in Doha.
Usain Bolt returned to the scene of his triple Olympic glory and duly delivered for 60,000 camera-flashing fans as he overcame a slow start to win the 100 metres and give the London Anniversary Games the Friday finale it demanded.