Other Republicans rationalized Trump's use of 9/11 imagery by saying that Omar's remarks from a March speech - in which she emphasized the discrimination that Muslims in the United States faced after the 2001 attacks, when "some people did something" - were deeply offensive. On Friday, Trump had tweeted a video that included footage of the burning twin towers on Sept. 11, 2001, mixed with clips from Omar's speech before the Council on American-Islamic Relations - which triggered an outcry from Democrats that he was politicizing the terrorist attacks.