Doha: Amir H H Sheikh Tamim bin Hamad Al Thani, and Deputy Amir H H Sheikh Abdullah bin Hamad Al Thani sent yesterday cables of congratulations to HRH Grand Duke Henri of Luxembourg on the occasion of his country’s National Day. Prime Minister and Minister of Interior H E Sheikh Khalid bin Khalifa bin Abdulaziz Al Thani also sent a cable of congratulations to HE Prime Minister of Luxembourg Xavier Bettel on the occasion of his country’s National Day.