The Turkish Athletics Federation has banned European 100-meter hurdles champion Nevin Yanit for two years for doping.
The federation says Yanit tested positive for banned substances during a competition in Duesseldorf, Germany, in February.
Yanit won the European hurdles title at both the 2010 and 2012 competitions.
The case against Olympic 1,500-meter champion Asli Cakir Alptekin - who has also been accused of doping - is still being assessed.
Turkey has been hit by a series of doping scandals as Istanbul is bidding to host the 2020 Olympics, competing against Tokyo and Madrid. The International Olympic Committee will select the host city on Sept. 7.
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