The National Police Agency (NPA) will step up efforts to prevent election interference by China, gangs and local collaborators, Minister of the Interior Liu Shyh-fang (劉世芳) said yesterday.Liu made the remarks during a plenary session at the legislature in response to concerns by Democratic Progressi. Add TT as Preferred Source The National Police Agency (NPA) will step up efforts to prevent election interference by China, gangs and local collaborators, Minister of the.