EDITORS PLEASE NOTE: CONTAINS CONVERTED 4:3 MATERIAL<br/> Former armed forces chief, General Ilker Basbug is remanded in custody, pending trial, charged with bidding to overthrow the government.<br/> He retired two years ago and is the highest-ranking officer caught up in the so-called Ergenekon case, an ultra-nationalist group accused by prosecutors of conspiring to topple the government.<br/> The case is seen as part of a power struggle between Turkish Prime Minister's ruling AK party and an old secularist establishment including military officers, lawyers, journalists and politicians.<br/> A Turkish court ordered Basbug be taken into custody on Thursday.<br/> After a health check he was to be taken to prison to spend a night behind bars -- a first for a former head of the military.<br/> He was facing preliminary charges of "gang leadership" and seeking to unseat the government by force, state-run Anatolian news agency said.<br/> Basbug who was in court on Thursday, rejected the allegations.<br/> Marie-Claire Fennessy, Reuters