Philippine President Ferdinand Marcos Jr.’s eldest son on Tuesday came to his father’s defense, saying Vice President Sara Duterte “crossed the line” with her attacks as the feud between the nation’s biggest political clans escalates.

Philippine vice-president Sara Duterte accused President Ferdinand Marcos Jr of incompetence and a lack of leadership in a scathing attack on Friday that showed the deepening rift between the two powerful families ahead of midterm elections.

Philippines Vice President Sara Duterte on Friday said the nation’s leader Ferdinand Marcos Jr. “doesn’t know how to be a president,” unleashing her strongest criticism yet against him since their political alliance collapsed.

Philippine Vice President Sara Duterte threatened on Friday to dig up the remains of President Ferdinand Marcos' dictator father and toss them into the sea, as their bitter feud heats up ahead of upcoming elections.