“He threatened me at one point, and he said, 'Boris, I don’t want to hurt you but, with a missile, it would only take a minute’ or something like that.
Jolly,” Johnson said, recalling the “very long” and “most extraordinary” call in February 2022 which followed a visit by the then prime minister to Kyiv.
Johnson, who stepped down in September in the wake of a series of scandals, sought to position London as Kyiv’s top ally in the West.
While in office he visited Kyiv several times and called Ukraine’s President Volodymyr Zelenskyy frequently.
He also visited again this month.