Meanwhile, Donald Trump said he hoped to end the war in Ukraine before he reached six months in office. Submit your questions for our correspondents in the box below.

The pipes closed following a failure to renew the terms of a transit agreement between Kyiv and Moscow, which had first been signed before the full-scale war began. Trump's Ukraine envoy postpones ...

AI to better train robots and cars as well as new gaming chips dominated Nvidia CEO Jensen Huang's keynote speech at the CES 2025 conference on Monday as the world's second most valuable firm ...