Senate Leadership Standoff May Trigger Constitutional Crisis
Retired Regional Trial Court Judge Meinrado Paredes warned on Thursday, June 4, 2026, that the leadership standoff between two rival blocs in the Senate could reach the Supreme Court and spark a full-blown constitutional crisis. The dispute erupted after 12 senators declared key Senate posts vacant and installed Senator Sherwin Gatchalian as acting Senate president on June 3, a move rejected by Senate President Alan Peter Cayetano as an unconstitutional coup.
The conflict has disrupted Senate operations, forcing staff to work from home, blocking media access, and resulting in competing commands over a Senate Blue Ribbon Committee investigation. At the center of the dispute is the question of which bloc holds the legitimate Senate majority.
Battle Over the Majority
Paredes told SunStar Cebu that the minority is insisting it is the majority, and both camps are expected to press their claims. The Gatchalian bloc cited the Supreme Court's Avelino v. Cuenco ruling from 1949 to justify their action, arguing that 12 senators were enough because the working base should be 22, not 24. They noted that two senators—Ronald Dela Rosa and Jinggoy Estrada—were not available to attend due to legal cases.
Cayetano rejected the move, stating that the Constitution requires 13 senators for a quorum and to elect officers. He called it an illegal coup and questioned how the 12 could remove Senator Loren Legarda without the required votes.
How the Courts Could Get Involved
Paredes explained that either side may go to the Supreme Court through a petition alleging grave abuse of discretion. The High Court would then decide which group holds the legitimate majority and who has authority to lead the Senate. He noted that a party may also seek a temporary restraining order, but the realities inside the Senate could make the dispute harder to manage, especially if it reaches internal operations and security.
Impact on Senate Operations
The leadership fight has already affected Senate employees, media access, and committee work. Gatchalian issued a memo allowing staff to shift to work-from-home status on June 4, citing safety and security concerns. During a Blue Ribbon Committee hearing, Senator Imee Marcos noted that proceedings were not being aired on the Senate website, and Senator Cayetano said some media members were prevented from entering the premises.
The dispute also spilled into the Blue Ribbon Committee, with competing claims over who heads the panel. Gatchalian said Senator Erwin Tulfo now chairs it, while Senator Pia Cayetano presided over a hearing on June 4 with 18 former Marines as resource persons.
What’s Next
Paredes said the conflict could affect the impeachment proceedings against Vice President Sara Duterte, as the split among senators could complicate efforts to secure the required votes for conviction. He expects the House prosecution panel to push for continuation of the trial. The next Blue Ribbon Committee hearing is scheduled for June 8.



