Kuwaiti First Deputy Prime Minister and Foreign Minister Sheikh Sabah Al-Khaled Al-Hamad Al-Sabah has received a written message from his Belgian counterpart, Didier Reynders. The letter dealt with relations between the two friendly countries and means of bolstering them in all domains, said a statement issued by the Kuwaiti foreign ministry here Sunday. The letter also covered the latest developments on the regional and international arenas.