CUSTODIAN OF THE TWO HOLY MOSQUES KING ABDULLAH BIN ABDULAZIZ HAS SENT A WRITTEN MESSAGE TO SULTAN QABOOS BIN SAEED OF OMAN CONTAINING AN INVITATION TO ATTEND THE 27TH SUMMIT OF THE SUPREME COUNCIL OF GULF COOPERATION COUNCIL COUNTRIES TO BE HELD HERE IN DECEMBER. THE MESSAGE WAS DELIVERED BY MINISTER OF STATE DR. ABDULAZIZ ALKHWAITER DURING AN AUDIENCE IN MUSCAT TODAY.