<span style="color: #222222;">Prime Minister Narendra Modi today expressed condolences on the passing away of Bahrain Prime Minister Prince Khalifa bin Salman Al Khalifa. </span><br />'' <br />'' <span style="color: #222222;">In his message, Mr Modi said his thoughts and prayers are with the King of Bahrain, the royal family and the people of Bahrain in this time of grief. He died today.<br />''</span><br />'' <span style="color: #222222;">The world's longest serving prime minister, Prince Khalifa bin Salman Al Khalifa of Bahrain, today died aged 84. Prince Khalifa, who took office after Bahrain gained independence in 1971, had been receiving treatment at a hospital in the US, the state media said. He was an uncle to the Bahraini King Hamad Bin Isa Al Khalifa. <br />''</span><br />'' <span style="color: #222222;">A week-long official mourning has been declared, and flags will be flown at half-mast. Government ministries and departments will be closed for three days starting tomorrow morning.</span>