President Donald Trump on Monday agreed to a 30-day pause on his tariff threats against Mexico and Canada as America's two largest trading partners took steps to appease his concerns about border security and drug trafficking.

President Trump agreed to delay tariffs on Mexico and Canada for a month after both countries pledged to do more to block drugs and migrants.

Last-minute phone calls pull the North American neighbours back from the brink of a trade war, but the US is still targeting Chinese imports.