QATAR'S FIRST DEPUTY PREMIER AND FOREIGN MINISTER SHEIKH HAMAD BIN JASIM BIN JABAR AL THANI, OMANI MINISTER OF FOREIGN AFFAIRS YOSIF BIN ALAWI BIN ABDULLAH AND MOROCCAN MINISTER OF FOREIGN AFFAIRS AND COOPERATION MOHAMMAD BIN ISA ARRIVED HERE TODAY TO PARTICIPATE IN THE PREPARATORY MEETINGS OF THE 19TH ARAB SUMMIT TO BE HELD HERE LATER THIS WEEK.