Egypt’s President Abdel Fattah al-Sisi’s historic visit to Turkey following over a decade-long rift with Ankara has been preceded by joint security arrangements to curb potential criticism by Egyptian exiled Muslim Brotherhood group members. “Muslim Brotherhood leaders were clearly ordered to keep silent about Sisi and the visit or else they would face grave consequences,” an Egyptian security official told The New Arab on condition of anonymity for not being authorised to talk to the media. “The Turkish authorities literally threatened that their residency would be cancelled and those with Tu…