Officials have warned Russian President Vladimir Putin that a demographic crisis could mean the country he leads will be short millions of workers by the end of the decade.

Donald Trump's threats of severe tariffs on Russia is leading the front pages of Tuesday's papers, with the US president pushing for Moscow to accept a deal to end the war within 50 days. The Financial Times says Trump has told Russia to expect 100% "secondary" tariffs if the Ukraine war does not end within the timeframe,