"I will be sad as I was sad when the vote in the referendum took place in Britain. For me it's a tragedy. I am everything but in a hostile mood when it comes to Britain. We will negotiate in a friendly way, in a fair way and we are not naive."

This was President Jean-Claude Juncker's answer when he was asked – in a BBC interview today (24 March) – how he will feel when the letter triggering Article 50 comes in.