The fallout over leaked data on the scope of U.S. surveillance programmes continues to reverberate around the world.<br/> <br />On Monday, Mexican authorities said they were questioning the U.S. ambassador following allegations the United States spied on President Enrique Pena Nieto before he was elected.<br/> <br />Brazil's news show Fantastico, which aired late Sunday, said Brazilian leader Dilma Rousseff had been a target as well.<br/> <br />The report was based on documents journalist Glenn Greenwald received from American ex-spy contractor Edward Snowden.<br/> <br />Greenwald was listed as a co-contributor on the programme.<br/> <br />Brazil echoed Mexico's outrage and said the claims would be a serious violation of sovereignty, if true.<br/> <br />The Brazilian government was already angered about earlier leaks suggesting the United States was keeping tabs its citizens' emails and phone calls.
