"The threat posed by Russia and possible provocations against NATO must be taken seriously, and that is precisely what the allies are doing," Estonia's Foreign Minister Margus Tsahkna told the Kyiv Independent. "We must remain vigilant, but Estonia's threat assessment has not changed."

European countries have every reason to be concerned over the spy chief's visit to Russia

Sources briefed on John Ratcliffe's surprise Russia visit told The Wall Street Journal he warned Moscow against attacking NATO members; Politico said he focused on the Baltics and…