Greek triple jump athlete Voula Papachristou, who had been part of Greece's delegation to the London Olympics, has been expelled from the team over a racist post on her Twitter account earlier this week, Greece newspaper Ekathimerini reports.
The athlete is said to have referred to the West Nile virus and immigrants in Greece.
More top news
Facebook has completed its first test of a solar-powered drone that carries internet signal in the skies above the UK.
Russia goalkeeper Igor Akinfeev has thanks fans for their support after he was struck by a flare thrown during a qualifier in Montenegro.
Astronauts arriving for their new mission hug the crew on arrival at the International Space Station.