Two passenger jets have been forced to turn around midair after suspected Russian GPS jamming.
Baltic ministers have said the GPS jamming could cause an air disaster following the interference.
Gabrielius Landsbergis, Lithuania’s foreign minister, told the newspaper: “If someone turns off your headlights while you’re driving at night, it gets dangerous.
“Things in the Baltic region near Russian borders are now getting too dangerous to ignore.”
“Such actions are a hybrid attack and are a threat to our people and security, and we will not tolerate them.”
The Swedish navy has also raised concerns about the impact on shipping safely as the jamming has also impacted signals used by boats in the Baltic Sea.
Officials in the region believe the Kremlin is behind the interference, with one senior official predicting that Russia was trying to protect Kaliningrad from potential attacks by Ukrainian drones.
The Kremlin did not respond to a request for comment.
The GPS signal on his aircraft was interfered with for about 30 minutes while the plane flew close to Russia's Baltic exclave of Kaliningrad, a Government source told Reuters.
Mobile phones could no longer connect to the internet and the aircraft was forced to use alternative methods to determine its location, they said.
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Baiba Braže, Latvia’s foreign minister, said: “We take these incidents seriously. Our relevant institutions are in touch with colleagues in other countries.”
Marko Mihkelson, head of the foreign affairs committee of Estonia’s parliament, said: “Allies should not look indifferently at Russia’s jamming of the GPS signal and thereby endangering international air traffic.”