Two PCOS machines in the vote-rich areas of Tatalon, Quezon City were reported to be malfunctional, according to Kontra Daya volunteer watchers.

The two machines were stationed in the polling center of Doña Josefa Martinez High School in Barangay Tatalon, servicing clustered precincts 4939A up to 4943A.

Volunteer watchers listed down one of the machine’s serial number as SAES1800-001SS18A01036585, CE F0RM N0.A12-B, N0.311536. ###