The former Prime Minister, widely viewed as a hero in Kyiv, said the Russian President would be “crazy to do so”.
There have been concerns Putin could launch such an attack as his forces are pushed back by a fierce Ukrainian counter-offensive.
But Mr Johnson said the move would be a “total disaster” for Moscow, which would be left completely ostracised.
He said: “There’s a lot of willingness to give Putin the benefit of the doubt. That will go, the minute he does anything like that.”
The ex-PM, who struck up a close friendship with Ukrainian President Volodymyr Zelensky, said there would have to be a response of some kind from the West to a tactical nuclear weapon.
This story is from the November 02, 2022 edition of Daily Express.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
Already a subscriber ? Sign In
This story is from the November 02, 2022 edition of Daily Express.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
Already a subscriber? Sign In
Blues make Marc as Guiu hits the jackpot
HAT-TRICK HERO IS QUICK TO SHATTER IRISH HOPES
Lane needs more rain
KEMPTON GROUND FEARS FOR JP'S TEAM
Festive-flavoured vapes slammed by top NHS doctor
Spike in admissions among young users
Profs win battle over smokers' wall
TWO Oxford dons have won a six-figure row with a hotel next door over a collapsed garden wall and its staff \"smoking and chatting\" too close to their home.
PoW life's such a drag for officer in panto
THE war diaries of a British PoW who became an unlikely star attraction in camp as a panto dame have come to light 79 years on.
There's NUN so good at crime fighting!
Ahead of its Christmas special, JAMES RAMPTON visits the picturesque Cotswolds set of Sister Boniface Mysteries (at the height of summer) to discover just why the Sixties-set cosy crime drama has captivated audiences all over the world
Puffin pic secures prize for teenage twitcher Anwen
THIS picture of a plaintive puffin has been picked for the top prize in the RSPCA Young Photographer Awards.
'Blast' prank by soldier ‘reckless'
A SOLDIER left colleagues with hearing loss after \"recklessly\" setting off a battle noise simulator to celebrate the end of an exercise, a court martial heard.
Vegetarian piranha and DiCaprio snake among new species
AVEGETARIAN piranha from the Amazon and a flying dinosaur found on the Isle of Skye are among the species previously unknown to science that have been named this year.
Anger over takeover of Titanic shipbuilder
Critics fear final assembly will move from Belfast to Spain
