Umno executive secretary Sumali Reduan denied last Saturday that the party president's office issued a letter to the Palace signed by Zahid and former premier Najib Razak pledging support for Mr Anwar.
But official sources confirmed that in a meeting at the weekend, Zahid, who holds no position in the federal administration, was questioned by PAS counterpart Hadi Awang and Prime Minister Muhyiddin Yassin as to why he would cooperate with Mr Anwar and DAP.
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