washington unite state concern physical well-being hunger-striking activists cuba closely watch situation u.s. state department say friday stand solidarity advocate human right fundamental freedoms include freedom expression right peaceful assembly state department spokesman john kirby tell brief raise concern directly cuban government washington havana add kirby say washington particularly concern health dissidents carlos amel oliva lead youth wing cuban dissident group guillermo farinas farinas begin hunger strike early month call raul castro government end torture human right abuse take arnaldo milian castro hospital city santa clara thursday become extremely weak faint eight days strike miami herald report farinas 20 right activists hunger-strike cuba u.s. worry hunger-striking cuban dissidents state department