Mexico 'won't be provoked by US' over migrant row

Mexico's president has insisted his government will not be provoked, after President Donald Trump announced escalating tariffs on all goods unless Mexico curbed illegal migration.

Andrés Manuel López Obrador described Mr Trump's slogan "America First" as a fallacy and said universal justice was more important than borders.

Stock markets saw sharp losses following Mr Trump's announcement.

Mr Trump declared a national emergency at the US-Mexico border in February.

He said it was necessary in order to tackle what he claimed was a crisis with thousands of undocumented migrants crossing the...