Fossil fuel revenues form the backbone of Russia's economy, which has been buffeted by sanctions following Vladimir Putin's full-scale invasion of Ukraine.

“The U.K. and its EU allies are turning the screw on the Kremlin’s war chest by stemming the most valuable funding stream of its illegal war in Ukraine even further,” British Chancellor of the Exchequer Rachel Reeves said on Friday.

President Trump privately questioned Ukrainian President Volodymyr Zelensky about whether Kyiv could blast Moscow and St Petersburg if needed to make Russians “feel the pain” and come to the

U.S. President Donald Trump said on Tuesday that Ukrainian President Volodymyr Zelenskiy should not target Moscow and that Russian President Vladimir Putin should agree to a ceasefire deal by a 50-day deadline or sanctions will kick in.

The British government sanctioned three Russian intelligence units after an uptick of cyber and arson attacks.

Donald Trump has told Ukrainian leader Volodymyr Zelenskyy "not to target Moscow" after he asked him "if he could hit Moscow".

His comments come after it was reported that he encouraged deeper Ukrainian strikes on Russia and asked Zelenskyy if he could hit Moscow with long-range weapons.