US Vice President Mike Pence made his final stop Tuesday on an Eastern European tour aimed at reassuring US allies under "Russian pressure", pledging Donald Trump would sign off on new sanctions against Moscow "soon".

A Republican senator said Tuesday that US President Donald Trump has told him he would go to war to destroy North Korea rather than allow it to develop a long-range nuclear-armed missile.

President Donald Trump personally dictated a misleading statement in which his son Donald Trump Jr said a meeting with a Russian lawyer during the 2016 election was focused on adoptions, The Washington Post reported Monday.

US Vice President Mike Pence on Tuesday blasted Russia's "ocupation" of Georgian territory, as he pledged Donald Trump will sign off on new sanctions against Moscow "soon".

White House communications director Anthony Scaramucci was forced out Monday after barely 10 days in his post, as Donald Trump's new chief of staff asserted his authority on his first day in office. John Kelly, who had served as Trump's secretary of homeland security for six months, has been brought in as chief of staff…

John Kelly was sworn in Monday as the new White House chief of staff, as US President Donald Trump looked to the retired Marine general for leadership after a shake-up of his top staff.

The United States said Sunday the time for talk over North Korea was "over," spurning a UN response to Pyongyang's latest ICBM launch in favour of bomber flights and missile defence system tests.

South Korea said Saturday it will speed up the deployment of a THAAD battery on its territory because of the latest North Korean test of an intercontinental ballistic missile.

North Korean leader Kim Jong-Un boasted of his country's ability to strike any target in the US after the ICBM test that weapons experts said could even bring New York into range -- in a major challenge to Trump.

Tesla began delivering on a dream to make an electric car for the masses, rolling out the first of its keenly-awaited "Model 3" cars, aiming to disrupt a world accustomed to automobiles powered by pollution-spewing fossil fuel.

Kim Jong-Un boasted of North Korea's ability to strike any target in the US after a second ICBM test that weapons experts said Saturday could even bring New York into range -– in a potent challenge to President Donald Trump.

Iran's Revolutionary Guards said on Saturday that the US Navy had approached their patrol vessels in the Gulf and fired flares in what it called a provocative move.