Here is a concise original summary based on the information published by the source. 5 killed in Pangasinan firecracker factory blast Manila BulletinFatalities in Pangasinan fireworks blast increase to five Inquirer.netFour killed in Pangasinan firecracker facility explosion Daily TribuneMalasiqui firecracker facility explosion kills 5, injures 2 DZRHA suspected illegal firecracker factory blew up in Malasiqui. 5 people died, one of them a child astig.ph For the full context and any later updates, use the original source link.