A faction of President Duterte's political party PDP-Laban is backing the candidacy of Bongbong Marcos.

But PDP-Laban chairman Senator Koko Pimentel believes the endorsement shows the illegitimacy of the group.

Malacañang says it's still unclear if President Duterte is personally endorsing Marcos.

Pinky Webb speaks to PDP-Laban Cusi wing Secretary-General Melvin Matibag and PDP-Laban Pacquiao wing chairman Koko Pimentel.

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