Manama, Dec. 15 (BNA): The Civil Service Bureau (CSB) held an event, on the occassion of the Kingdom of Bahrain's celebration of its National Day and the 26th anniversary of His Majesty King Hamad bin Isa Al Khalifa’s accession to the throne and the accompanying national events. Shaikh Daij bin Salman Al Khalifa, President of CSB, attended the event, along with a number of bureau officials and staff. ZH,A.S, S.E