Umno veteran Tengku Razaleigh Hamzah has branded PAS a "political prostitute" that must be defeated in the coming 15th general election.

In an interview with The Malaysian Insight, the 12-term Gua Musang MP, known as Ku Li, said PAS' actions in previous by-elections have shown how the party could not be trusted to help Umno, even as partners in the Muafakat Nasional pact and the Bersatu-led Perikatan Nasional federal government.

"Even in the Tanjung Piai by-election, when they were already with us, they did not vote for us.

"PAS has about 3,000 members in Tanjung Piai...