QNADohaPrime Minister and Minister of Interior HE Sheikh Khalid bin Khalifa bin Abdulaziz Al-Thani participated in the 37th meeting of Their Highnesses and Excellencies Ministers of the Interior of the Gulf Cooperation Council countries (GCC), which was held Tuesday via videoconferencing.During the meeting, a number of issues on the agenda have been discussed, especially issues related to strengthening joint security cooperation between the GCC countries, in addition to the most prominent regional and international security developments.