World and Olympic champion sprinter Usain Bolt had to battle hard to win the 100 meters race at the Diamond League meeting in Monaco on Friday.
Kenya's David Lekuta Rudisha has broken the 13-year-old men's 800 meter world record at Berlin's Diamond League meeting on Sunday.
World and Olympic sprint champion Usain Bolt will not be back in action until 2011 because of an injury to his lower back.
American sprinter Tyson Gay handed world and Olympic champion Usain Bolt his first 100 meters defeat in two years in Sweden on Friday night.
Olympic and world 100 meters champion Shelly-Ann Fraser has been suspended after testing positive for the recreational drug oxycodone.
World athletics will have a new series of elite one-day meetings from 2010 after the International Association of Athletics Federation (IAAF) on Monday announced the launch of the Diamond League.