Prime Minister Muhyiddin Yassin, in a live address, congratulated Gabungan Rakyat Sabah (GRS) on its victory in the state election.
"I hope they will carry out their duties to the best of their abilities. This is the time for them to do their duty with integrity and dedication in fulfilling their promise," he said.
Muhyiddin also thanked supporters and volunteers.
The Bersatu president also vowed to deliver on the pledges made during campaigning in Sabah.