"Senator John McCain has always been a fighter," President Donald Trump said in a statement. Bill Clinton wrote on Twitter , "As he's shown his entire life, don't bet against John McCain. Hillary Clinton expressed her support for the McCain family. "John McCain is as tough as they come," she said in a tweet . "The news of my father's illness has affected every one of us in the McCain family.

Source: CNN July 20, 2017 00:45 UTC