A giant-sized national flag was hoisted at the Yayasan Sultan Haji Hassanal Bolkiah Complex open area yesterday to mark the beginning of the 77th birthday celebration of His Majesty Sultan Haji Hassanal Bolkiah Mu’izzaddin Waddaulah ibni Al-Marhum Sultan Haji Omar ‘Ali Saifuddien Sa’adul Khairi Waddien, Sultan and Yang Di-Pertuan of Brunei Darussalam. Meanwhile, Minister of