Vladimir Putin
This marks a "moment of peril" for the world, according to the UN chief.
The Russian president is expected to make a big announcement on Friday, September 30.
The initial tranches of men called up under Russia’s partial mobilisation have started arriving at military bases.
Waves of disapproval over biggest conscription drive since World War Two.
UK prime minister uses UN speech to say the Russian president is trying to gloss over a “catastrophic” failure in Ukraine.
Russian president Vladimir Putin has issued alarming threats about his atomic weapons.
Russian president claimed he is "not bluffing" when he warned he could go nuclear.
The Russian president issued the threat in a rambling TV address.
But Sir Tony Radakin warned it was still likely the war would "grind on for a long time".
Is Vladimir Putin getting desperate?