The new US president is delivering a virtual address, one of the first major speeches of his presidency, at the World Economic Forum in Davos.

Donald Trump said he would impose high tariffs and further sanctions on Russia if it continued its "ridiculous war".

Secretary of State Marco Rubio sparked a sharp rebuke from Beijing over his comments on the South China Sea in one of his first foreign policy statements since taking office.

The US president has already declared a national emergency at the border, as he begins his crackdown on immigration.

China's relations are starting to improve with Japan, India and other countries that former U.S. President Joe Biden courted, ...