The Philippine Senate opened an impeachment trial against Vice President Sara Duterte on Monday, July 6, 2026 [1].

The proceedings mark a historic confrontation between the country's highest executive offices. The trial seeks to determine if the vice president should be removed from office following allegations of corruption, betrayal of public trust, and other criminal conduct [2].

Proceedings began at 2 p.m. local time in the Senate chamber in Manila [3]. As part of the opening process, 23 senators were sworn in to act as judges for the trial [1]. This transition of the legislative body into a judicial forum is required for the constitutional process of removing a high-ranking official.

Despite the formal commencement of the trial, the legal process faced an immediate hurdle. Hours after the Senate convened, senators voted to return the impeachment case to the House of Representatives [4]. This move was made to seek further constitutional clarification regarding the proceedings.

Lawmakers had previously pushed for the removal of the vice president based on claims of financial irregularities, and misconduct [2]. The return of the case to the lower chamber creates a procedural pause in what was expected to be a definitive trial. The House must now address the constitutional questions raised by the Senate before the case can proceed further in the upper house [4].

“The Senate opened an impeachment trial against Vice President Sara Duterte.”

The rapid reversal of the trial's commencement suggests significant legal or procedural vulnerabilities in the impeachment filing. By returning the case to the House, the Senate is signaling that the constitutional basis for the trial may be insufficient to withstand a legal challenge, potentially delaying the removal process or forcing the lower house to refine its charges.