Donald Trump discusses wall with Mexico's president but not who should pay for it - as it happened

Mexico's president invited both the Democratic and Republican presidential candidates

Donald Trump is gearing up for a surprise visit to Mexico City. He announced late on Tuesday that he will travel on Wednesday to the country where he is hugely controversial because of his offensive comments about Mexicans and Hispanics.

When he arrives in the country, he plans to meet Mexican President Enrique Pena Nieto, who extended an invitation to both the Republican nominee and his rival Democratic nominee Hillary Clinton.

• Trump has surprised everyone
• The Internet has gone wild about the visit 
• Trump 'will not change his rhetoric'