President Donald Trump on Thursday signed an executive order on the cryptocurrency industry, in a long-awaited move that appears to meet some industry demands.

President Donald Trump began his second administration with a blitz of policy actions to reorient U.S. government priorities.

U.S. President Donald Trump on Thursday dismissed criticism from close ally Elon Musk about a $500 billion artificial intelligence project that Trump announced with great fanfare at the White House earlier this week.

Reich also criticises Trump's executive order to end birthright citizenship - where anyone born in the US becomes a citizen - saying it's a violation of the US constitution: "Decent people could lose their citizenship... children could lose their parents...some parents may not have the right papers."

A federal judge has temporarily blocked President Donald Trump’s executive order ending the constitutional guarantee of birthright citizenship regardless of the parents’ immigration status.

A federal judge temporarily blocked President Trump’s executive order that aims to restrict automatic citizenship to babies born on U.S. soil, calling it “blatantly unconstitutional.” The order Mr. Trump signed on Monday was an effort to upend the nation’s immigration laws and reverse decades of precedent and would affect children born to undocumented or temporary immigrants.

No president has ever exercised this constitutional power, but "this remains a significant possibility in the eyes of the White House," one source said.