NATO members should not be deterred from giving more military aid to Ukraine by Vladimir Putin's "reckless Russian nuclear rhetoric", outgoing NATO boss Jens Stoltenberg told Reuters in an interview on Monday.

Jens Stoltenberg, who is about to step down as NATO Secretary General, has urged Alliance members not to be dissuaded from providing further military assistance to Ukraine because of Kremlin leader Vladimir Putin's "reckless Russian nuclear rhetoric".

By Mark Galeotti director of consultancy Mayak Intelligence and honorary professor at UCL School of Slavonic & East European Studies Vladimir Putin is at it again, playing on Western nerves with talk of modifications to Russia's nuclear doctrine to open up more options for their use.