Russian president Vladimir Putin watches the Zapad-2017 war games with minister for defence Sergei Shoigu (left) and chief of the general staff of Russian armed forces Valery Gerasimov (second right) in Leningrad, Russia. Photograph:  Mikhail Klimentyev/Kremlin via Reuters

Russian president Vladimir Putin watched his country’s military take part in the major “Zapad” war games on Monday, amid continuing concern from Nato (...)

US vice-president Mike Pence delivering a speech on a visit to Nato troops in Estonia on Monday. He heard warm praise for the US sanctions on Russia during talks with leaders of the three Baltic states. Photograph: Ints Kalnins/Reuters

As Moscow expels hundreds of US diplomats in angry response to new sanctions, Washington’s move is also exposing deep divisions in the European Union (...)

US defence secretary James Mattis  talks with a German and a Lithuanian soldier during a visit to Lithuania on Wednesday. Photograph: Petras Malukas/AFP/Getty Images

The US will send more weaponry to defend allies in the Baltic states if Russia steps up its already “destabilising” actions in the region, Pentagon ch(...)

Allies: Lithuanian president Dalia Grybauskaite (centre) and Germany’s defence minister, Ursula von der Leyen,  welcome  a Nato battalion in Rukla, Lithuania, on Tuesday. Photograph: Petras Malukas/AFP/Getty

Russia and Nato member states have accused each other of threatening behaviour amid a continuing build-up of military hardware, troops and manoeuvres (...)

Donald Trump casts a long shadow. Even an EU summit in Malta on Friday preoccupied with the flow of migrants from Libya and with Brexit, could not esc(...)

Lithuanian president Dalia Grybauskaite and US vice-president Joe Biden during a joint press conference after  their meeting in Riga on Tuesday. Photograph:  Petras Malukas/AFP/Getty Images

US vice-president Joe Biden has assured the Baltic states that Washington would honour its Nato commitment to defend any member nation that was attack(...)

US secretary of state John Kerry   with Poland’s foreign minister Witold Waszczykowski at the Nato summit in Warsaw, Poland.  Mr Waszczykowski said Europe and the US need  “a more active, energetic Nato that takes practical steps to ensure the real safety of its citizens.” Photograph: Jerzy Dudek/Reuters

Nato leaders gathered for dinner on Friday night in the historic surroundings of the Column Hall in Warsaw’s presidential palace. The room was the sit(...)

Protesters gather to demostrate against the EU referendum result in Trafalgar Square on Tuesday in London, England. Up to 50,000 people were expected before the event was cancelled due to safety concerns. Photograph: Jeff J Mitchell/Getty Images
Planet Business

Image of the week It would be wrong to say that the fierce declarations of love by the British public this week for the European Union were reminisce(...)

 Andrej Babis: Greece has ‘gone bankrupt four times in the last 200 years and should do so a fifth time’. Photograph: Michal Cizek/AFP/Getty Images

As the escalating Greek crisis continues, one issue that is likely to emerge as a key sticking point in the forthcoming negotiations is the question o(...)

Ukrainian servicemen at a checkpoint near Luhansk village, not far from Debaltseve, Donetsk area, Ukraine, on Tuesday. Lithuania has decided to restore compulsory military service for young men as tensions in Ukraine continue to worry the small Baltic nation. Photograph: Anastasia Vlasova/Reuters

Lithuania has decided to restore compulsory military service for young men as tensions in Ukraine continue to worry the small Baltic nation.After a me(...)