Kathmandu, Nov. 25 -- Philippine President Ferdinand Marcos said Monday his family was "very worried" about his senator sister, suggesting she was unwell after she accused him of drug abuse at a recent rally.The accusation was the latest broadside in a family feud that has steadily grown in scope since Imee Marcos publicly aligned with the president's arch-foe, Vice President Sara Duterte, ahead of midterm elections that were held in May.

In his first public comments about his older sister since she told a crowd of demonstrators in Manila last week he had an "addiction", the 68-year-old president said he did not "like to show our dirty linen in public".

He went on to say that "for a while now, we've been very worried about my sister... ...