Russian President Vladimir Putin has made tough demands on the West, calling for Nato's presence from countries that joined the alliance after 1997 to be scaled back. AFP
Russian President Vladimir Putin has made tough demands on the West, calling for Nato's presence from countries that joined the alliance after 1997 to be scaled back. AFP

Ex-MI6 chief Sir Alex Younger says 'it's 'impossible to see how Putin can back down now’