His Majesty King Hamad yesterday signed a document of thanks and loyalty, in the presence of His Royal Highness Prince Salman bin Hamad Al Khalifa, Shaikh Abdulla bin Hamad Al Khalifa, Shaikh Khalifa bin Hamad Al Khalifa, Shaikh Nasser bin Hamad Al Khalifa, Shaikh Khalid bin Hamad Al Khalifa and Shaikh Sultan bin Hamad Al Khalifa. The sons of His Majesty also signed the document.