Donald Trump has announced a weapons deal for Ukraine that he said was worth billions of dollars, and threatened 100 per cent tariffs on Russia if there was no deal to end the fighting within 50 days.

Attorneys for a woman serving life in prison for killing the pregnant girlfriend of former Chicago Bears player Sean Gayle presented new evidence in court on Monday. WGN's Sean Lewis reports.

It was the first White House Faith Office summit with business leaders, but that didn't stop Trump from using expletives and charged language against his foes.

A Mexican mother has deported herself to her home country over fear of being arrested and detained by the American Immigration and Customs Enforcement (ICE).