US President Donald Trump says he’ll meet his Russian counterpart Vladimir Putin, probably in Saudi Arabia, in the “not too distant future”. He was speaking after a 90 minute phonecall with Putin where they agreed to begin negotiations to end the war in Ukraine “immediately”. We ask what the diplomatic move means for European security.US politicians and commentators are saying the country is headed for a “constitutional crisis” due to President Trump’s actions. We explored what the term means.And a Roman basilica is being excavated in the basement of a London office block.