They came back to Lithuania on Sunday.

The Customs Department had launched a probe into this incident, Vitas Volungevicius, spokesman for the department, told BNS.

“Two customs officers went to check the Kaliningrad-Moscow train on Friday afternoon. However, the train started moving without authorization from customs and took them to Kaliningrad Region. The customs authority contacted the border guards, the Lithuanian Foreign Ministry immediately and notified respective consular staff as well. The incident was resolved with the help of border guards and authorized representatives of the Russian Federation and customs officers came back home on September 5, at 2 p.m.,” Volungevicius said.

According to him, customs officers were checking a post office car at the Kybartai railway border checkpoint whereas the border guards checking passengers managed to get off the train.

News portal was the first to report about the incident.

Respective authorities had launched a probe, Volungevicius said and explained that trains in such a case could only depart from the border crossing point after authorization from customs.

While in Russia, officers were provided with accommodation and taken care of. Volungevicius also mentioned similar earlier incidents, including cases where Russia’s officers were taken to Lithuania’s territory by mistake.

An agreement signed by Lithuania and Russia stipulates that such incidents shall be addressed by authorized border representatives of the two countries.