Russian President Vladimir Putin says medals won at Rio 2016 will be devalued by the banning of Russian competitors.
What are the two types of volleyball at the Olympics? Who are the favourites? And which country has the most gold medals?
Six Cuban volleyball players are being held in connection with a case of alleged aggravated rape in the Finnish city of Tampere, where the team was competing.
Over 50 free beginners volleyball events are being held across England from May 28-30 as part of two Go Spike Big Weekends.
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Beach Volleyball pairing Chris Gregory and Jake Sheaf tell BBC Sport they are "due a bit of funding".