Donald Trump to send 5,000 troops to Russia's front door in major Nato U-turn
It comes just weeks after 5,000 troops were pulled out of Germany
Poland
Russian ambassador summoned to urgent dressing down after 'unprecedented violation' of Nato airspace
Andrey Kelin has been summoned after drones were spotted over Poland
Donald Tusk asks to trigger major Nato clause as Poland 'closest to open conflict since WW2'
Nato Article 4 has only been triggered seven times in the defence alliance’s 76-year history
