Awwal 26, 1432 / April 30, 2011, SPA -- Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud sent a written letter to the head of the supreme council of armed forces of Egypt general Mohammad Hosain Tantawi concerning bilateral relations between the two sisterly countries and ways of booting them in various fields. The letter was delivered by Saudi ambassador to Egypt Ahmad Qattan during an audience with general Tantawi here today.