Turkish police have arrested the brother of US-based cleric Fethullah Gülen. Kutbettin Gülen was detained during a raide in Izmir province at a relative’s house after a tip off. According to state-run media he has been accused of being “a member of an armed terrorist group”. <br /><br /> His brother Fethullah Gülen is considered by the government to be the mastermind behind the failed coup in July. Ankara has requested his extradition.<br />Gülen denies any involvement.<br /><br /> Since the coup attempt any individuals or groups believed to have links to Fethullah Gülen have been detained. Two of his nephews were arrested in July.<br /><br /> Tens of thousands of people from every level of society have also been purged from their jobs, including senior military officers, government officials and school teachers.<br />