The Johor Bersatu will leave it to the party leadership to deal with Osman Sapian after a video, which has gone viral, showed the former Johor Menteri Besar allegedly campaigning for an Independent candidate at the recent Slim state by-election.

Its chairperson Mazlan Bujang said they, at the state liaison level, had no authority to take action against any member who flouted party rules.

"Let Tan Sri (Bersatu president Muhyiddin Yassin), through the...