Tom Homan, the incoming "border tsar", has promised a big raid on illegal immigrants in Chicago and elsewhere.

Trump says an announcement will probably come once he takes office on Monday about the app's future in the US.

Thousands of people joined in on demonstrations as the United States prepares to inaugurate its new president.

The march took place ahead of Trump's arrival to the nation's capital as he prepares to be sworn in on Monday.

The last president to be sworn-in indoors was Ronald Reagan in 1985, when cold weather also plagued the US Capitol.

The Supreme Court earlier upheld a law that would ban the video app in the US unless its Chinese parent-company sells it.

As Homeland Security secretary, Noem will oversee 260,000 employees tasked with national defence.

The hearing, now set in March, is set to determine whether the brothers could potentially be freed on parole