BEIRUT, NOV 21 SPA -- THE ARAB LEAGUE SECRETARY GENERAL, AMR MOUSA WILL ARRIVE HERE TOMORROW TO PARTICIPATE IN LEBANON CONFERENCE ON "INVESTMENT AND REBUILDING," OPENING ITS PROCEEDINGS THURSDAY IN BEIRUT. MOUSA WILL HOLD MEETINGS WITH LEBANON'S PRESIDENT; PRIME MINISTER ; SPEAKER OF THE HOUSE OF REPRESENTATIVE AND A NUMBER OF SENIOR LEBANESE OFFICIALS TO GET ACQUAINTED WITH THE CURRENT SITUATION IN LEBANON BETWEEN THE MAJORITY AND THE OPPOSITION PARTIES. HE WILL ALSO BE BRIEFED ABOUT THE DIPLOMATIC EFFORTS MEANT TO MITIGATE THE AGGRAVATED SITUATION IN LEBANON. --SPA www.spa.gov.sa/404994