NAFTA Deal

President Andres Manuel Lopez Obrador said the three countries had agreed on tweaks to labour, steel and aluminium provisions in the USMCA

Trump has threatened to slap additional tariffs on imported autos from Canada if the two sides are unable to reach a new trade deal

Talks to reach a deal on reworking the 24-year-old accord have intensified in recent weeks

The vice president also said that the topic of funding for US President Donald Trump's proposed wall on the US border with Mexico did not come up in Pence's meeting with Mexican President