President Donald Trump's effort to curtail birthright citizenship was declared unconstitutional by a second U.S. appeals court on Friday, handing him another defeat on a core piece of his hardline immigration agenda whose ultimate fate may lay with the U.

Congressional Democrats publicly urged then-Vice President Mike Pence to invoke the 25th Amendment to remove Trump after failing to stop hundreds of his supporters from breaking into the Capitol in a violent attempt to halt the certification of the 2020 presidential election.

Venezuelan President Nicolas Maduro says he is preparing to declare a state of emergency to protect his country in the event of an attack by the US military, amid rising tensions over the deployment of American warships to the Caribbean.

Thousands of U.S. federal employees stopped working on Wednesday when the government shutdown due to a budget impasse in Congress.