HH the Emir Sheikh Hamad bin Khalifa Al Thani has received congratulatory messages from Their Majesties, Highnesses and Excellencies the leaders and heads of brotherly and friendly states on the occasion of the country\'s National Day. HH the Heir Apparent Sheikh Tamim bin Hamad Al Thani has received similar messages on this occasion from the leaders and heirs apparent of brotherly and friendly countries.