MANILA, Feb 2 — The alliance between Philippine President Ferdinand Marcos Jr and his predecessor Rodrigo Duterte disintegrated this week when they accused each other of using drugs — a rift which threatens Marcos's reform agenda and risks fuelling instability.

MANILA, Jan 31 — Philippine President Ferdinand Marcos Jr said there is no rift between his Vice President Sara Duterte and himself, after both her brother and father strongly criticised him.