Tens of thousands of people are expected to join nationwide protests across the US over the Trump administration's strict migrant policy.

More than 630 events are planned calling for migrant families split up at the US border to be reunited.

Some 2,000 children remain separated from their parents, despite President Donald Trump's executive order ending the controversial policy.

He bowed to public pressure after weeks of domestic and international outrage.

The order stopped children being taken from parents who face criminal prosecution as part of the president's policy of "zero tolerance" towards illegal crossings of the US border from Mexico.

Faced with a backlash, President Trump instead promised to "keep families together" in migrant detention centers.

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