Sabah Umno has dismissed speculation that its ally in Gabungan Rakyat Sabah (GRS), PBS, is going to leave the state ruling coalition to be with opposition party Warisan.

State Umno chief Bung Moktar Radin, who regarded the speculation as baseless hearsay, said he believes PBS would not betray the mandate given to the party by the people who voted in GRS in last year's state election...