SINGAPORE, July 4 -- A political clash has erupted between the People's Action Party (PAP) and the Workers' Party (WP) over WP chief Pritam Singh's appearance on a Malaysian podcast, with the ruling party questioning his decision to speak about Singapore politics on a foreign platform.

In a statement yesterday, PAP said Singh, who is the Leader of the Opposition, had "strikingly" chosen a non-local outlet to give his most extensive post-election interview, referring to his guest appearance on Keluar Sekejap, a podcast hosted by Khairy Jamaluddin and Shahril Hamdan.

"It raises serious questions about why the secretary-general of the Workers' Party would choose to speak about Singapore's politics on foreign soil, to a foreign audience," t...