The Diplomatic Service of the European Union

Joined in Brussels by Nobel Peace Prize laureate Oleksandra Matviichuk and former prisoner of war and human rights activist Maksym Butkevych, High Representative Kallas announced that the European Union will intensify its efforts to strengthen support for Ukrainian civilians arbitrarily detained by Russia.

On 13 July 2026, the European Union exposed Russia's malicious cyber ecosystem and adopted new restrictive measures targeting those responsible for malicious cyber activities in support of Russia's strategic objectives.

What does multilateralism mean and what does it look like in practice? Why is it so important for the EU and the world? How would the world look without international cooperation – or even without the UN? And how can such complex international issues be explained in a way that resonates with younger audiences?

The European Union is a reliable partner in worldwide efforts for arms control, disarmament and non-proliferation of weapons of mass destruction.