Turkish authorities have detained another 18 people for an alleged plot to create chaos and trigger a military coup.<br/><br/>According to local media, the suspects, 17 of whom are military officers on active duty, were rounded up in a nationwide operation. Another 49 officers were detained on Monday, 31 of whom have been charged.<br/><br/>The case has increased tension between Turkey's military and its ruling party.<br/><br/>News of the arrests came shortly after Turkish Prime Minister Recep Tayyip Erdogan vowed that conspirators would face justice.<br/><br/>Turkey's military has overthrown or forced the resignation of four governments since 1960 – most recently in 1997 – though the current head of the armed forces has insisted that coups are a thing of the past.