ALSO READPhilippines President Rodrigo Duterte may declare martial law next week Philippines drug war: 32 dealers killed near Manila, 100 others in custody Philippines' 'troll-in-chief'? Duterte admits hiring defenders during polls Modi-Duterte meet: India, Philippines sign deals on agriculture, defence
At least 37 people may have died in the massive fire that ravaged a shopping mall here on Saturday, authorities said on Sunday as firefighters continued battling pockets of flames 16 hours after the blaze broke.
"According to the authorities still in the area, in that situation it's difficult to believe anyone can survive.
Valles told reporters outside a restaurant where the president was meeting with relatives of the missing workers.