NEW : Benigno Aquino III sworn in as the Philippines ' 15th president . The new President of the Philippines, Rodrigo Duterte, has vowed to kill drug dealers and users with a 'death squad'. Aquino continues a political dynasty launched by his parents .
NEW : Benigno Aquino III sworn in as the Philippines ' 15th president . Aquino won election by a landslide in May . Aquino continues a political dynasty launched by his parents .