Philippines–United States relations Philippine President Rodrigo Duterte bans U.S. Senators Dick Durbin and Patrick Leahy from entering the country, as both are seeking to enforce sanctions on politicians involved in the prosecution of Philippine Senator and Duterte administration critic Leila de Lima. Duterte also threatens to tighten visa requirements for American citizens should the sanctions go through. Philippines bans two U.S. senators, mulls new visa rules for Americans © Reuters Sources: Reuters