Just over two years ago, President Ferdinand Marcos Jr. and Vice President Sara Duterte won in landslide electoral victories, but the alliance has soured.

Philippine Vice President Sara Duterte said on Saturday she would have President Ferdinand Marcos Jr assassinated if she herself were killed, prompting Marcos’ office to vow “immediate proper action.”

Sara Duterte’s references to the EDSA Revolution, which overthrew Marcos’ father in 1986, have pushed their rivalry into a more ominous phase.

Philippine Police said on Wednesday they had filed a formal complaint against Vice President Sara Duterte and several of her security detail over a recent incident at the lower house of Congress. The complaint is for direct assault,

A major political storm set off by a bitter feud between the Philippine president and the vice president is testing an Asian democracy that has long been troubled by rowdy politics, poor law enforcement and bareface impunity.