Donald Trump signed key executive orders, including the US exit from the World Health Organisation (WHO) and the Paris Agreement on Climate Change.

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

NATO Secretary-General Mark Rutte has warned that a Russian victory over Ukraine would undermine the dissuasive force of the ...

Donald Trump pledged to end the conflict in Ukraine, but the war has proved harder to solve than he once thought. Now, he says he'll sanction Russia.

He has worked at the U.S. Department of State, on the National Security Council, and as a foreign policy adviser to U.S.