مشاور امنیتی نخست وزیر می گوید که اروپا باید زمستان سختی را تحمل کند تا فشار بر پوتین را حفظ کند

Europe must endure winter of hardship to keep pressure on Putin, says PM's security adviser

In rare public remarks, Jonathan Powell said now was not the time for European nations to take their "foot off the gas".