JAKARTA, June 5 -- Indonesian Vice President Gibran Rakabuming Raka is facing mounting pressure as a group of retired military generals has submitted a formal petition urging his impeachment, citing constitutional violations, ethical breaches, and questions over his qualifications.

In a letter obtained by The Jakarta Post, the Forum Purnawirawan Prajurit TNI urged the House of Representatives and the People's Consultative Assembly (MPR) to begin proceedings against Gibran, while affirming their support for President Prabowo Subianto.

The group claims Gibran's vice-presidency was enabled by a controversial Constitutional Court ruling that lowered the age limit for candidates - authored by then-chief justice Anwar Usman, President Joko Wi...