RIA Novosti writes about this.

“We have been trying to leave Belarus for 24 hours, first we tried to leave Brest towards Poland, but Poland did not let us in,” she said.

According to Barabanshchikova, there is some kind of law, “which no one knows about” in Moldova, that members of the team cannot, as transit passengers, leave Belarus on a regular bus.

The choir director added that the Moldovan embassy advised the choir to travel through Lithuania, but they were returning it from its border.

At the Lithuanian border, the bus was held for more than seven hours without explanation, Barabanshchikova specified.

On March 21, the Russian Federal Customs Service reported that the Lithuanian authorities, without explanation, stopped allowing trucks through the Kaliningrad region of Russia.