SAN FRANCISCO, Agusan del Sur — Joint operating troops from the Police Regional Office in Caraga (PRO-13) and the Philippine Army uncovered an arms cache believed to belong to the New People’s Army (NPA) in Barangay Antongalon, Butuan City, on Monday. Police Brig. Gen. Marcial Mariano P. Magistrado IV, director of PRO-13, said the discovery was