Muscat: In response to the Royal Directives of His Majesty Sultan Qaboos bin Said for responding to the request of the US Government for the assistance in release of a US citizen in Yemen, the departments concerned in Oman coordinated with the Yemeni authorities concerned in Sana’a in the release of the American citizen, who was transported by a plane of the Royal Air Force of Oman to the Sultanate in preparation for his return to his country.