REST IN PEACE. Kalinga elder Pedro Magannon Abbacan Sr., a key figure in the historic signing of the Mount Data Peace Accord on Sept. 13, 1986, died at the age of 89 on July 12, 2022. He was part of the Cordillera People's Liberation Army that signed the peace accord with the government. (Photo courtesy of OPAPRU) MANILA - The Office of the Presidential Adviser on Peace, Reconciliation and Unity (OPAPRU)ismourning the death of a Kalinga tribal peace builder "who selflessly worked hard" for the benefit of the indigenous people. OPAPRU chief Secretary Carlito Galvez Jr.said Pedro Magannon Abbacan Sr., a Kalinga pangat (respected elder), workedto pursue thepeace process in the Cordillera region. Abbacan, who died July 12 at 89, was one of the key figures in the historic signing of the Mount Data Peace Accord between the Philippine government and Cordillera People's Liberation Army (CPLA) on Sept. 13, 1986. He was buried July 15 in his hometown of Barangay Bangad, Tinglay