Note: On June 17, 2022 the Lithuanian government enforced a transit ban [blockade] on certain goods through its own territory to Kaliningrad (a Russian enclave). The measures came as part of EU sanctions against Russia in response to the Ukraine war.
Russia has insistently conveyed, that if the blockade of its territory (which has the full approval of the Biden White House and NATO) is not removed, it will be forced to take non-diplomatic actions to remove it.
Many observers think that currently, as Ukraine seemingly has no practical chance of defeating Russia, that this blockade was put in place to trigger a Russian attack of Lithuanian [a member of NATO] - which would activate Article 5 of the NATO charter - automatically bringing in all of NATO into a military conflict with Russia. Crazy!