ROUGH CUT (NO REPORTER NARRATION)<br/> <br />Tens of thousands of protesters gathered in the Turkish capital Ankara on Saturday to protest against the government after the latest corruption probe.<br/> <br />Demonstrators said they came to stand against corruption and for justice in their country.<br/> <br />Turkish Prime Minister Tayyip Erdogan has cast a wide-ranging graft investigation, which poses one of the biggest challenges of his 11-year rule, as an attempted "judicial coup". He has responded by purging the police force of hundreds of officers and seeking tighter control over judicial appointments.<br/> <br />Erdogan's supporters have cast the corruption probe as a smear campaign contrived, ahead of elections this year, by a U.S.-based Islamic cleric, Fethullah Gulen, who exercises broad, if covert, influence in the judiciary and media.<br/> <br />The affair, exposing a deep rift within the Turkish political establishment, has driven the lira to new lows and shaken investor confidence in a country whos
