Lithuania's Foreign Minister Gabrielius Landsbergis submitted his resignation on Friday.
The chief diplomat of the Baltic EU country justified the move with the continued transit deliveries of Belarusian fertilizers through Lithuania despite US sanctions.
He understands the challenges that this poses for the reputation of the Lithuanian government, wrote Landsbergis in his resignation request to Prime Minister Ingrida Simonyte.
This was reported by the Lithuanian radio.
It was initially unclear whether Simonyte would accept the request.
In Lithuania, ministers are appointed and dismissed by the president on the proposal of the head of government.
In Lithuania, it had previously been heavily criticized that the state railway continued to transport its fertilizer even after US sanctions against the Belarusian state company Belaruskali came into force.
The reason for this are advance payments by Belaruskali from existing contracts, announced the Lithuanian railway company.
Belaruskali exports a large part of its production via Lithuania.
Landsbergis sent Simonyte his resignation one day after he, like Transport Minister Marius Skuodis, had agreed to resign.
Both announced on Thursday that they would be waiting for a decision from Simonyte.
According to her own statements, the Prime Minister wanted to comment on this in the coming week.
President Gitanas Nauseda criticized the government for failing to prepare for the effects of the US sanctions imposed in August.
Significant reputational damage has been done to the state, he said.
Lithuania is internationally recognized as one of the greatest advocates of the democracy movement in neighboring Belarus.
The government in Vilnius is campaigning for harsh sanctions against the leadership in Minsk.