COTABATO CITY  – The Philippine Drug Enforcement Agency in the Bangsamoro Region in Muslim Mindanao (PDEA-BARMM) conducted surprise drug tests on public transport workers on Tuesday, Oct. 27, to ensure safety as commuters head to the provinces for Undas 2026. “Oplan Harabas” or “Drug Test Muna Bago Pasada” is a nationwide operation led by the