Former Umno Youth chief Khairy Jamaluddin said that the presence of former premier Najib Abdul Razak and his former deputy Ahmad Zahid Hamidi in the Semenyih by-election campaign trail should not be turned into an issue.

This is because both have the rights to offer support for BN, he said.

"He (Zahid) is still the Umno president, so there's nothing wrong with him coming to the constituency. Furthermore, he had said that his presence here was low key...