HH the Emir Sheikh Tamim bin Hamad al-Thani,  HH the Deputy Emir Sheikh Abdullah bin Hamad al-Thani and HE the Prime Minister and Minister of Interior Sheikh Abdullah bin Nasser bin Khalifa al-Thani yesterday sent  cables of congratulations to the Custodian of the Two Holy Mosques King Salman bin Abdulaziz al-Saud of Saudi Arabia on the occasion of  Saudi Arabia’s National Day.