Nobel Prize winners call for significant expansion of support for Ukraine. "Putin's regime has shown that it represents a clear and immediate threat to humanity," the letter says.

The signatories currently include 39 Nobel Prize winners, including the writers Elfriede Jelinek and Herta Müller. In 1938, Great Britain, France and Italy agreed to the annexation of the Sudentenland by National Socialist Germany in the “Munich Agreement” but the hope of preventing the outbreak of a major war was not fulfilled.