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What did Europe do after the Ryanair diversion?

Summary
A look back at the European and NATO reaction to the diversion of Ryanair Flight 4978, alongside Ukraine's Eurovision result, in the final days of May 2021.
What had Europe decided by 28 May 2021, in the days after Belarus diverted Ryanair Flight 4978? The reaction had moved quickly, and it set the tone for how the region viewed Minsk at the end of that month.
On 23 May 2021, NATO demanded an international investigation into Belarus's diversion of the Ryanair flight. It was an early collective call for outside scrutiny of an incident that the European Union went on to describe as a hijacking.
On 24 May 2021, the EU went further. It banned all Belarusian airlines from using its airports and airspace in response to the hijacking. It also placed sanctions on the officials believed to be involved in the operation. By 28 May, then, the two main Western institutions in the region had each taken a clear position: NATO had asked for an investigation, and the EU had imposed concrete penalties.
For readers in Ukraine and its neighbourhood, the sequence was a reminder that responses to such incidents could come within days and combine diplomatic and practical measures. Restrictions on airspace access and targeted sanctions on individuals were the tools chosen at the time.
A lighter note from the same week
Not all of the news from that period was grim. On 22 May 2021, at the 65th Eurovision Song Contest in Rotterdam, the Ukrainian band Go_A finished fifth. The result gave Ukraine a notable showing in the competition during the same week in which the Belarus crisis dominated regional politics.
Looking back from 2026, 28 May 2021 sits between those two stories: a cultural success for Ukraine and a firm European response to events in Belarusian-controlled airspace.