Philippines kills leader of Islamic State-linked militant group in clash

Philippine security forces killed the leader of a militant group supporting Islamic State in a clash early on Thursday, the country's police chief said, warning against possible retaliation. President Rodrigo Duterte recently cautioned against Islamic State taking root in the southeast Asian country, saying it needed to avoid "contamination". "I strongly believe that we have effectively broken the backbone of the militant Ansar Al-Khilafah Philippines (AKP)," Ronald Dela Rosa told a news confere