War in Ukraine continues to cause mayhem and destroy the lives of many, and it is everyone's responsibility to limit the global food, fuel and financial crisis that it has sustained, the UN's top rights official said Monday.

Michelle Bachelet was addressing the Human Rights Council Monday in her last session as high commissioner.

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"We committed ourselves to learning the lessons of the pandemic and to recover better. Eager to avoid the devastating consequences of the austerity that followed the 2008 financial crisis, the international community agreed to change course: building transformative societies and towards greener economies that will be more resilient to crises," the high commissioner said.

"We are now facing a vital test of that commitment. And we need to meet it."