Mexico’s government has been creating shelters fit for 2,500 people each to take back deportees from the US. Several organisations said the system was unusually efficient so far, but that there was no clear additional plan for the estimated 380,000 Mexicans displaced internally by violence or the hundreds of thousands of foreigners now stuck.

More than 2,000 migrants from various countries began walking early Monday in southern Mexico hoping to reach the United States despite president Donald Trump’s threats of mass deportations and limiting asylum.