Abu dhabi: President His Highness Sheikh Mohamed bin Zayed Al Nahyan has conveyed a message of congratulations to His Majesty King Hamad bin Isa Al Khalifa of Bahrain, celebrating the anniversary of his accession to the throne. According to Emirates News Agency, His Highness Sheikh Mohammed bin Rashid Al Maktoum, Vice President, Prime Minister and Ruler of Dubai, and His Highness Sheikh Mansour bin Zayed Al Nahyan, Vice President, Deputy Prime Minister and Chairman of the Presidential Court, also sent similar congratulatory messages to King Hamad.