The Trump administration has lifted sanctions on a kleptocratic ally of Russian President Vladimir Putin, who was removed this month as president of the Serb territory within Bosnia and Herzegovina for chipping away at the US-brokered peace deal that ended bloody ethnic violence in the Balkans in the 1990s.

The United States cancelled a planned Budapest summit between President Donald Trump and Russian President Vladimir Putin following Russia's firm stance on hardline demands regarding Ukraine, the Financial Times reported on Friday.

Vladimir Putin tightens grip on power by promoting family members and younger allies to his inner circle as economic strain and opposition threats mount in Russia.

The test comes days after President Vladimir V. Putin announced the previous trial of another Russian nuclear weapon.

Russia has issued a stark nuclear warning to Donald Trump following the US President's announcement regarding plans to restart atomic weapons testing. The move signals Washington may have reached its limit with Vladimir Putin's ongoing nuclear threats.

North Korea's top diplomat has visited the Kremlin for talks with Russian President Vladimir Putin. The meeting follows last month's meeting between Putin and Kim Jong Un in Beijing.

Russian President Vladimir Putin has hailed the country's "unique" nuclear-powered Burevestnik missile after the military carried out new tests of the long-range missile and several of Moscow's most destructive weapons.

Against the backdrop of a US military build-up in the Caribbean, Venezuelan President Nicolás Maduro has appealed to Russia, China and Iran for military assistance. Details: Maduro's requests to Moscow were set out in a letter that was to be delivered to Russian ruler Vladimir Putin by a "senior aide".

By holding nuclear drills and boasting about the successful test of a pioneering nuclear-powered cruise missile, Russian President Vladimir Putin is sending a message to President Donald Trump: Moscow wouldn’t be cowed into concessions on Ukraine.