Russia has rejected peacekeeping in Ukraine, with foreign minister Sergei Lavrov saying such a move would amount to the ‘direct, official and unveiled involvement of NATO members in the war against Ru ...

President Donald Trump's billionaire-backer Elon Musk on Saturday declared that he has 'literally challenged' Russian President Vladimir Putin for a 'physical combat' over Ukraine. The Tesla CEO, who ...

Officials have pointed to China and Russia as likely culprits, but legal challenges make prosecutions difficult.