President of Comoros Union Ahmad Abdullah Sambi arrived here this morning to visit the Prophet's mosque as part of his current visit to the Kingdom of Saudi Arabia during which he already performed Umrah (the minor pilgrimage) in Makkah. On arrival at Prince Mohammad Bin Abdul-aziz International Airport, the President was greeted by Under Secretary at the governorate of Madinah region Eng. Abdul-Kareem Bin Salem Al-Henynie and other senior officials.