Bersatu information chief Razali Idris launched a blistering counter to those who have challenged his party president Muhyiddin Yassin to reveal the names of MPs who supported him to become prime minister after the last general election.

Training his guns on Umno supreme council member Mohd Puad Zarkashi and former Sabah chief minister Salleh Said Keruak, he told the pair to zip their lips.