Athletes in New Zealand have become more vigilant about the medication and supplements they take in the wake of Russian tennis player Maria Sharapova's positive test. That’s according to the country’s anti-doping agency, Drug Free Sports New Zealand. The five-time grand slam champion announced in March she had tested positive for the banned substance meldonium at the Australian Open in January.

Gauff outruns Pegula to win thriller at WTA Finals
Fermin double gives LaLiga leaders Barca win at Atletico
Manchester United rescue dramatic 4-4 draw with Aston Villa
Norris wins in Brazil as Mercedes take constructors' title
Arwa Ali wins 100m silver for UAE at Dakar Youth Olympics
