Bagan Datuk MP Ahmad Zahid Hamidi is prepared to once again face challengers for the position of Umno president.

Challenging the sitting Umno president is considered taboo in Umno after Gua Musang MP Tengku Razaleigh Hamzah's challenge against former premier Dr Mahathir Mohamad in the 1987 polls led to a split and subsequent deregistration of the party.

However, the tradition of not challenging the party president ended in the...