SunStar + January 29, 2021 SUSPECTED members of the New People’s Army (NPA) fired at the Sison Municipal Police Station in Surigao del Norte on Thursday morning, January 28, 2021, Philippine National Police (PNP) Chief Debold Sinas said in Friday, January 29, 2021. Two hours after the incident, troops from the 901st Brigade of the Philippine Army were ambushed by more or less 10 armed men believed to be members of the NPA. Corporal Arnel Belga sustained injuries in his head during the attack. At around 1:30 p.m., an improvised explosive device believed to have been placed by the NPA exploded along the roadside of Barangay San Pablo, Sison, while police were conducting clearing operations around 300 meters away.