A third of Hillary Clinton supporters believe Donald Trump’s election victory was not legitimate, a new poll has found.<br />The survey was conducted immediately after Election Day as anti-Trump protests sprang up across major cities.<br />The survey found 33 percent of Clinton’s supporters said they didn’t accept the outcome of Tuesday’s election, the Washington Post reported.<br />Trump said towards the end of his vitriolic presidential campaign that he may not accept the results of the election if his opponent triumphed.