Colombo has said it believes Tamil rebels , fighting a 13-year war for independence against the government , finance their military activity through funds extorted from expatriate Sri Lankans in western countries such as the United States .
<response> <location>Colombo</location> has said it believes <misc>Tamil</misc> rebels , fighting a 13-year war for independence against the government , finance their military activity through funds extorted from expatriate <misc>Sri Lankans</misc> in western countries such as the <location>United States</location> . </response>