The Arab League Council called on the Iraqi government to shoulder its legal responsibilities and take the necessary measures to ensure the safety of the abductees Qatari citizens and release them as soon as possible, especially as they had entered the Iraqi territory through an official entry visas issued by the Iraqi Embassy in Doha, based on the consent of the Iraqi Interior Ministry, and the kidnapping incident has occurred in territory under the sovereignty of the Iraqi government and its security control.
http://www.qna.org.qa/en-us/News/15122420140051/Arab-Foreign-Ministers-Condemn-Kidnapping-of-Qatari-Nationals
sorry: This can develop into something complicated:
Only the Russian state media Sputnik News had a short piece on it, identifying a Shiite militia who might be responsible.