Two of 18 Turkish workers recently kidnapped in Iraq have arrived in Istanbul.Necdet Yılmaz and Ercan Özpilavcı, who were released from captivity on Wednesday in Basra, are reported to be in good condition."We are well. We just want our friends [remaining hostages] to be released," Yılmaz told reporters at Istanbul Atatürk Airport on Thursday.Yılmaz said the kidnappers had treated them well. "Our friends are also in good health," he added. "Two out of the 18 kidnapped Turkish citizens in Baghdad have been released," Foreign Affairs Ministry spokesperson Tanju Bilgiç had previously said. Previously, the group, calling itself Death Squad, released a video on Sept. 11 in which the 18 kidnapped Turkish workers were shown reading their names and where they come from as well as the group's demands.Gunmen seized 18 employees of a major Turkish construction firm, Nurol Holding, on Sept. 2 in the Sadr City area of northern Baghdad where they were working on a football stadium project. Men armed with submachine guns and wearing black uniforms and balaclavas stood behind 18 men said to be the kidnapped Turks in a video posted online.The militants identified themselves as "Furaq al-Mawt" (Death Squad) in a written message that appeared behind them alongside the words "We are at your service, O Hussein."One of their demands was that Turkey order rebel forces to stop besieging four Shiite villages, including Foah, Zahra, Kafrayyah and Noubboul, in northern Syria. The villages have been surrounded by the Syrian opposition group Jaish al-Fatah (Army of Conquest).The group also wants Turkey to allow aid to be delivered to Shiite-based regions in Aleppo and Idlib.In the video, the group also demands cutting the export of oil reserves in northern Iraq through Turkey, along with the withdrawal of Turkish military personnel in Iraq."If [President Recep Tayyip] Erdoğan and his party do not respond, we will crush Turkish interests and their agents in Iraq by the most violent means," the militants said.The group is allegedly linked to Hezbollah in Iraq, indicating the militants are Shiite. This could also potentially be an attempt to mislead the public. The group's origins are unknown.