U.S. Republican presidential candidate Donald Trump is 'not Christian' because of his views on immigration, Pope Francis said on his way back to Rome from Mexico. The pope said, however, he did not want to advise American Catholics on whether or not to vote for Trump. In a freewheeling conversation with reporters on his flight back from a visit to Mexico, Francis was asked about Trump and some of his statements, such as vowing to build a wall between the United States and Mexico if he becomes president. Read more: http://www.dailymail.co.uk/news/article-3453193/Pope-says-Trump-not-Christian-views-plans-immigration.html#ixzz40XceRvBf Follow us: @MailOnline on Twitter | DailyMail on Facebook