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.

Russia's nuclear doctrine has been amended to facilitate the use of nuclear weapons against the West, claims Alexander Lukashenko.

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".