Donald Trump was not. When the leaders of Russia and the United States shook hands on stage after failing to reach a deal at their Alaska summit, President Trump had a look on his face that his four predecessors might have recognized after their own encounters with the former KGB agent who has defied the world in his determination to rebuild an empire.

British personnel are ready to arrive in Ukraine just “days” after Moscow and Kyiv agree to put fighting on hold, the Ministry of Defence has said.

"This will mean Russian oil will continue to flow undisturbed and this should be bearish for oil prices," said ICIS analyst Ajay Parmar.