The world has a choice: act decisively now or face a larger conflict with Russia | Vladyslav Vlasiuk

Ukraine needs more support for our military and tougher measures to stop Putin evading sanctions. This can and must be agreed this week

• Vladyslav Vlasiuk is a sanctions expert working in the Ukrainian presidential office

Last week saw the latest grim act in Russia's war crimes epic.

Missiles rained down indiscriminately on civilian areas across Ukraine two days after a massive explosion at a symbolic bridge built to link the annexed Crimean peninsula to Russia.

Vladyslav Vlasiuk is a sanctions expert working in the Ukrainian presidential office

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