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 consented to send congratulatory messages to Singaporean President Halimah Yacob and Prime Minister Dato Laila Utama Lee Hsien Loong as well as the Government and people of Singapore on the occasion of its 57th National Day.