Fethullah Gulen, the arch-enemy of Turkey's President

As Turkish authorities round up thousands of suspected coup plotters, President Recip Tayyip Erdogan is accusing followers of US-based cleric Fethullah Gulen of being behind Friday's coup attempt. Image: Turkish Islamic preacher Fethullah Gulen pictured at his resident in Saylorsburg, Pennyslvania (AAP)

Turkish Islamic preacher Fethullah Gulen pictured at his resident in Saylorsburg, Pennyslvania Source: AAP

Turkish authorities have accused Mr Gulen of seeking to establish "a state within a state" in Turkey.

 

But his supporters insist he is committed to democratic reform and interfaith dialogue.