Although Pakatan Harapan national leaders are mostly apologising and calling for introspection following the coalition's disastrous outing during the Tanjung Piai by-election, some Penang Harapan grassroots are crossing swords.

For instance, DAP member and Seberang Perai councillor David Marshel on his Facebook page had urged Pakatan Harapan chairperson Dr Mahathir Mohamad to take responsibility for the loss at Tanjung Piai by resigning as prime minister.