The Custodian of the Two Holy Mosques, King Abdullah bin Abdul-Aziz Al Saud has sent a message to King Abdullah II Bin Al-Hussein, King of Jordan, inviting him to attend the Arab Economic and Social Development Summit, to be held in Riyadh next March. The message was delivered to the Jordanian King by Saudi ambassador to Jordan Fahd bin Abdul-Mohsen Al-Zaid during an audience in Amman on Tuesday evening.