Finnish President Sauli Niinistö accused Russia of transporting people to the Finnish border saying: “I think Russia is making a mistake,” German weekly newspaper die Zeit reports in the next issue to be published on Thursday and seen in advance by dpa. “I am sure that people in Germany and other EU states will also understand that Finland, the EU and Europe must not allow themselves to be blackmailed by this,” the Finish president said. Niinistö said Russia had already tried something similar in 2015. At the time, he had spoken “very openly about Russia’s aggressive behaviour,” to former prim…