Philippine police units conducted a massive raid in a suburb of the capital, Manila, reports the Manila Bulletin.
Three individuals were killed in a gunfight with law enforcement personnel during the raid in Baseco, Port Area, on Sunday, said Manila police chief Brig. Gen. Vicente Danao.
Up 1,000 suspects were arrested during the operation, dubbed Oplan Clean-up.
The sting was ordered by Manila Mayor Francisco Isko Moreno Domagoso and led by the Manila Police District.