Former DAP secretary-general Lim Guan Eng and Amanah president Mohamad Sabu are in the dark over alleged attempts by Umno to prop up the duo’s ally - Pakatan Harapan chairperson Anwar Ibrahim - as prime minister.br br However, Lim said Pasir Salak MP Tajuddin Abdul Rahman’s revelations are irrelevant to the problems faced by the people.