Moscow has failed to provide evidence it was adequately testing Russian competitors, says the athletics governing body
Bannister gained global sporting glory on May 6, 1954, when he ran a mile (1.6 kilometres) in three minutes 59.4 seconds at the Iffley Road track in Oxford.
Czech Pavel Maslak eventually became the first athlete to win three consecutive world indoor titles as controversy again struck the 400m
The 21-year-old American arrived in Birmingham, England, fresh from having set a new world indoor record in the 60m
Britain's Katarina Johnson-Thompson racked up 4,750 points to win the pentathlon
The third heat of the event saw all runners, including favourite Bralon Taplin, disqualified for lane infringements
Danil Lysenko took revenge for the defeat at last year’s London World Championships after a thrilling battle
Dibaba came to Birmingham as double defending 3000m indoor champion and had also won the 1500m in Istanbul in 2012.
Qatari high jump star Mutaz will take the field on Thursday hoping to continue his winning run
The 21-year-old's time of 6.34 shaved 0.05sec off the existing mark set by Maurice Greene in Madrid in 1998
Britain, the United States, Poland, China, Germany, France, Jamaica and South Africa will compete at the London Stadium on July 14 and 15
Qatar win gold in men’s 4X400M relay while Bagharab Yaser Saleem bags silver in 1500M
The Qatari ace was in a class of his own at the Asian Indoor Athletics Championships
The 21-year-old American charged to victory in the final in 6.37 seconds to surpass the previous record of 6.39 held by compatriot Maurice Greene
The Olympic and world 400M champion was injured while playing in a touch rugby match in Cape Town