An Umno division leader has cast doubt on PAS' sincerity in championing the Malays after the Islamist party said it would protest the Trans-Pacific Partnership Agreement (TPPA).

"If PAS wants to go against the TPPA, it shows that PAS doesn't really want to fight for the Malays," Cheras Umno chief Syed Ali Alhabshee told Malaysiakini .