Donald Trump’s tried to take Ukraine’s future out of its own hands by opening negotiations with Russia, and telling Kyiv that NATO membership and getting all of its land back are hopeless ambitions.

So what should Ukraine do now? Could focussing on the fight still improve its negotiating position, or has it reached its high watermark in the war? Professor Michael Clarke and retired General Sir Richard Shirreff assess the battlefield balance of power.

America’s Defence Secretary says “stark strategic realities prevent the United States from being primarily focused on Europe”. The UK’s stepping up as the US steps back, but how much more will we do to lead from the front?

And as some of the world’s most powerful defence and security figures gather at the Munich Security Conference Sitrep explains why this private talking shop has become a marketplace for some of the world’s most consequential decisions.