Livid president says he won't work with Democrats in Congress unless all investigations in aftermath of Mueller report dropped

At town hall event, California senator says US president must be ousted over Mueller report; other presidential candidates hope voters will remove him from office

Defiantly insisting that he did nothing wrong, president says he is not worried at all about prospect of Congress pursuing action against him

But Pelosi has resisted calls to launch proceedings to oust Tump, insisting on a methodical, step-by-step approach to the House's oversight