The IOC said the tests targeted at athletes preparing to take part at the Games in Rio de Janeiro.
Busquets' new deal includes a £152.5m release clause.
Thousands of football fans told to surrender passports to stop them travelling to France 2016.
Jose Mourinho is willing to reunite with Chelsea midfielder Willian.
Wales international says he will decide on his future after Euro 2016.
Rob Holding is keen to move away from Bolton and has rejected an offer to extend his contract.
The 55-year-old player-turned-pundit thinks the Premier League will benefit from the appointment.
Red Bull's Daniel Ricciardo looks favourite for a surprise pole position. Find out where to watch live.
IBTimes UK sports reporter Tony Mogan looks ahead to the showpiece match in Milan.
Outspoken manager joins Old Trafford club after months of speculation.
Hull City face Sheffield Wednesday in the Championship Play-Off final on Saturday.
Identical triplets Liina, Leila and Lily Luik will all compete in the women's marathon at the Rio 2016 Olympics.
A full-strength Real Madrid face Atletico Madrid on Saturday night at the San Siro stadium.
Memphis Depay's future is one of the issues Mourinho must contend with.
Brad Smith has made nine appearances for the Liverpool first-team following the arrival of Jurgen Klopp.
The 22-year-old Dutchman has endured a turbulent first season in English football.
Brexit campaign is hoping to drum up interest for one of its main anti-EU messages.
Madrid rivals face-off in their second European Cup final in three years at San Siro, Milan.
The Real Madrid star says he would have no problem in working with Mourinho again.
Mesut Ozil believes he is playing in the best league in the world while praising Arsene Wenger's influence in bringing him to Arsenal.
The upcoming Olympic Games in Rio has been plagued with problems relating to health, finance and infrastructure.
Former Sheffield United star to stand retrial over rape of 19-year-old after winning appeal.
Recent reports claimed he has already reached an agreement in principle to move to the Serie A giants.
Chelsea are confident that Romelu Lukaku would make the trip to Stamford Bridge this summer.
Two-time Champions League winner returns to management five months after leaving Chelsea for a second time.
Bayern Munich midfielder must belatedly build on his extra-time winner in Rio two years ago.
Alvaro Morata's future hangs in the balance with Arsenal said to be keen on signing the Spain international.
Darren Sammy claims that Chris Gayle is targeted for no reason
Kostas Manolas has featured in 37 Serie A matches for AS Roma in 2015/16 season.
Liverpool will take on Tranmere Rovers, Wigan Athletic, Huddersfield Town and Fleetwood Town before they travel to the US.