Usain Bolt led Jamaica to the 4x100 metres Olympic gold in a world record time Saturday.
Bolt took on the baton with a one-metre lead and powered away from America's Ryan Bailey to cross the line in 34.84 seconds.
It was two-tenths of a second inside the world record Bolt, Nesta Carter, Michael Frater and Yohan Blake set at the world championships last year.
The American team of Bailey, Trell Kimmons, Justin Gatlin and Tyson Gay equalled the old world record for silver in 37.04.
Trinidad and Tobago's quartet claimed the bronze in 38.12 after the third-placed Canadians were disqualified.
Bolt became the first sprinter to retain both sprint gold medals after winning the 100 and 200 metres races in London.
Vijender Singh has returned to training after the doping scam the rocked the nation.
The West Indies will kick off preparations for next months Champions Trophy in England when they embark on a five-day camp at the High Performance Centre (HPC) at the 3Ws Oval starting on Monday.
Newly crowned Spanish champion Barcelona celebrated winning the league title in front of their home fans by easing to a 2-1 victory over Valladolid on Sunday.
Test opener David Warner will face a Cricket Australia disciplinary hearing over comments he made on Twitter.
Brazil international midfielder Paulinho has denied speculation that he is on the verge of a move to Europe.
After a victorious comeback to professional tennis, former World No. 20 and cancer survivor Alisa Kleybanova vowed Monday to return to the sports biggest competitions.
Paris Saint-Germain coach Carlo Ancelotti wants to leave the club and says Real Madrid is a possible destination.