Philippines' Duterte hesitant on US visit, warm on China

Philippine President Rodrigo Duterte said Monday he may turn down an invitation by Donald Trump to visit the United States, as he welcomed three Chinese warships to his home town.Duterte, who has loosened the Philippines' long alliance with the United States while strengthening ties with China and Russia, said he could not commit to the American president because of a busy schedule that included a trip to Moscow.