Nuclear attack in Ukraine should spark ‘devastating’ Nato response, says Poland

A Ukrainian flag waves on a street of the recently liberated village of Vysokopillya, Kherson region. Poland’s foreign minister has warned any use of nuclear weapons by Russia should prompt a ‘devastating’ Nato response. Photograph: Genya Savilov/AFP/Getty Images

Poland’s foreign minister, Zbigniew Rau, has said Nato’s response to any use of nuclear weapons in Ukraine should be non-nuclear but “devastating”.

Speaking on a visit to Washington, Rau said the alliance was in the process of delivering that message to Moscow.