President Donald Trump has vetoed a measure from Congress revoking his declaration of a national emergency at the US-Mexico border.

An eight-year-old boy from Guatemala has died in US government custody, officials say, the second migrant child to die in US detention this month

US President Donald Trump has threatened to use military force to completely close the US-Mexico border.

A millennial candidate has shaken up the US Democratic Party by defeating the incumbent congressman for his seat.

Federal ruling also prevents officials splitting up families who crossed the US-Mexico border illegally
 

A Honduran child plays at the Catholic Charities Humanitarian Respite Center after recently crossing the U.S., Mexico border with his father on June 21, 2018 in McAllen, Texas.  Getty Images/Spencer Platt

The center to process migrants seeking asylum into the US is at capacity, and dozens of them vow to wait until they're all admitted