Umno president Ahmad Zahid Hamidi had penned his support for Anwar Ibrahim to topple the Perikatan Nasional Plus government on Oct 11.<br /><br />This was alleged by Annuar Musa, who was removed as BN secretary-general yesterday.<br /><br />The Ketereh MP told an hour-long press conference today that he had verified the existence of Zahid's letter with various sources.