Umno supreme council member Lokman Adam tears a banner of Rosmah Mansor which earlier sparked off an altercation between supporters of Pakatan Harapan and BN.The banner mocked former premier Najib Abdul Razak's 'Bossku' campaign, stating that it is his wife who is the real boss.Election Commission officials had attempted to remove the banner earlier but Harapan supporters prevented them from doing so.