Umno president Najib Abdul Razak has reportedly expressed in front of Umno delegates his dissatisfaction with his deputy Muhyiddin Yassin saying he should use the correct platform to express his grouses.

This was according to Umno supreme council member Abdul Rahman Dahlan when met outside the venue of the closed-door presidential briefing tonight in Kuala Lumpur held in conjunction with the Umno general assembly which formally opens tomorrow.