
Mexico's president vowed on Tuesday to investigate the controversial detention of migrants trying to cross the US border, saying the 15,000 troops he has deployed there have no such orders.

President Donald Trump-hosted his Canadian counterpart Prime Minister Justin Trudeau on Thursday to mend fences after last year's diplomatic meltdown and to push the still un-ratified North American free trade deal.

Walmart Inc said on Thursday it will pay US$382 million to settle a seven-year-long investigation into whether its overseas units in Mexico, Brazil, China and India violated the U.S. Foreign Corrupt Practices Act. The retailer will pay more than US$144 million to settle charges by the Securities and Exchange Commission and about US$138 million to resolve parallel criminal charges by the U.S. Department of Justice, according to court and regulatory filings.

Mexico published the document on Friday that US President Donald Trump fleetingly showed the press this week as evidence he had extracted tough new concessions on migration from the neighboring country.

Mexican President Andres Manuel Lopez Obrador said on Wednesday that the sale of the former presidential jet and other aircraft from the last government would help fund efforts to curb migration under a deal struck last week with Washington.

If trade strife continues between the United States and Mexico despite a deal struck on Friday, Argentine grain exporters are ready to step in to meet Mexican food demand, the head of an Argentine industry chamber said.

Mexico and the United States could explore additional steps next month to restrict illegal immigration from Central America, with the threat of tariffs hanging over Mexico if it does not do enough to satisfy US demands, officials said on Monday.

U.S. President Donald Trump said on Friday that he has indefinitely suspended the threat of tariffs against Mexico after reaching a signed agreement on immigration.

Mexican soldiers, armed police and migration officials blocked hundreds of migrants after they crossed the border from Guatemala in a caravan into southern Mexico, and detained dozens of them, a witness from a migrant aid group and an official said.

Fighting to stave off punitive tariffs announced by U.S. President Donald Trump, a senior Mexican delegation had started high level talks on Monday in Washington, where it will be pushed to do more to hold back Central American migrants.