ANKARA A Turkish citizen detained by Israeli forces aboard a Gaza-bound aid vessel is expected to be released and leave Israel on Thursday, according to Turkish diplomatic sources. The sources said Wednesday that officials from the Turkish Embassy in Tel Aviv remain in contact with Şuayb Ordu and his lawyers. It also noted that the case of Yasemin Acar, a German citizen, is being closely followed and that the families of both Acar and Ordu are being kept updated about the process. The aid ship