US immigration authorities arrested nearly 700 people at seven agricultural processing plants across Mississippi on Wednesday in what federal officials said could be the largest worksite enforcement operation in a single state.

In largest immigration raid, US authorities arrest 680 workers at Mississippi

Mexico avoided the most extreme immigration concession sought by US President Donald Trump in the deal reached to fend off threatened tariffs, but it is left even weaker than before in the face of potential new pressure from Trump as he formally kicks off his re-election campaign this month.

Mexico holds off Trump's fire but seen vulnerable to new pressure

Theresa May said there was no specific time-scale for the exit to begin, while her rival Andrea Leadsom pushed for a quick exit

British PM front-runner says she will push EU trade deal to limit immigration