Finland says it will expel nine diplomats working at the Russian Embassy in Helsinki, accusing them of being engaged in intelligence activities.

The exercise involves 3,000 soldiers and fighter jets from 14 nations.

Police in Berlin have opened an investigation into leaked details of a state visit by the Ukraine president to Germany.

Thousands of people hold protests across Sweden against the US-led NATO coalition and the country’s NATO membership bid.

Finland's government seeks to purchase Israeli David’s Sling long-range missile defense system.

Finland has officially become the 31st member of the North Atlantic Treaty Organization.

Russia has denounced as "a dangerous historic mistake" Finland's membership in the NATO, saying the move would weaken security in Northern Europe and increase the risk of conflict.

Finland has officially joined the US-led NATO despite repeated warnings from Russia.

Finland is set to formally become a member of the NATO military alliance on Tuesday in a historic shift that will end its years of “military non-alignment" and double the US-led alliance's land border with Russia.

Deputy Foreign Minister Grushko said Russia will strengthen military potential in the western and northwestern direction.