What does the Ukraine war mean for UK households? How Russia's invasion affects prices, from meat to iPhones

Some autocratic leaders are looking to see how robustly the West resists attempts to undermine the territorial integrity of a sovereign nation. Western powers are acutely aware this crisis is being closely watched by the rest of the world. It is called self-determination, and perhaps the most important aspect of this principle is that borders cannot be changed by invading armies. A core principle of European security after World War Two was that sovereign nations have a right to make their own choices.