Russia could attack Nato states if west fails to support Ukraine, Macron says

French president tells Paris conference Moscow must not and cannot' win the war and that Europe's security is at stake

The French president, Emmanuel Macron, has called for western countries to step up their support for Ukraine, warning that Moscow's actions in recent weeks signal that Russia could attack Nato states in the next few years.

Speaking at the opening of a hastily convened conference of 20 mainly European leaders in Paris designed to speed up the supply of weapons and financial aid to Ukraine, Macron said Russia must not and cannot win this war" and that Europe's own security was at stake.