Russian President Vladimir Putin has signed a law on Russian citizenship.

Russia is suspending its participation in New START, a strategic arms reduction treaty with the United States, but is not withdrawing from it, President Vladimir Putin said in his State of the Nation Address to the Federal Assembly on Tuesday.

The two leaders will also participate via a video link in the 18th Russia-Kazakhstan Interregional Cooperation Forum held in Orenburg.

Russian President Vladimir Putin will take part in a plenary session of the Valdai International Discussion Club on Thursday. The session’s topic will be A Post-Hegemonic World: Justice and Security For Everyone.

Saturday's explosion on the bridge over the Kerch Strait prompted gleeful messages from Ukrainian officials but no claim of responsibility. Russia did not immediately assign blame. Russian missile attacks in southeastern Ukraine kill 12.

Xi Jinping told Vladimir Putin on Thursday that China is ready to work with Russia “in extending strong support to each other on issues concerning their respective core interests”.

Vladimir Putin's chief envoy on Ukraine told the Russian leader as the war began that he had struck a provisional deal with Kyiv that would satisfy Russia's demand that Ukraine stay out of NATO, but Putin rejected it and pressed ahead with his military campaign, according to three people close to the Russian leadership.

Russia has been and remains a reliable supplier of energy resources, president said.

Russian President Vladimir Putin receives reports on everything that is everything going on during the special military operation, including on the regrouping of Russian troops, Kremlin Spokesman Dmitry Peskov told reporters on Monday.

The Russian missile, capable of carrying nuclear warheads and evading radar, was tested in April amid heightened tensions.

The Presidents of Iran, Russia and Turkey, in a joint statement, reaffirmed their firm commitment to the sovereignty, independence, unity and territorial integrity of Syria, rejecting every effort to create new realities in the Syrian field under the pretext of combatting terrorism, including illegitimate self-rule initiatives.