Two Estonian logistics workers mistakenly crossed the Estonian-Russian borders, and were detained by Russian authorities, but eventually returned home safely. After a brief negotiation between the Estonian Police and Border Guard Board (PPA)’s representatives and the Russian border guards, the human error made by the workers was resolved.  

News report in English:

https://news.postimees.ee/7795522/russian-border-guards-detain-2-estonian-logisticians-who-had-mistakenly-crossed-border 

News report in Estonian:
https://www.postimees.ee/7796425/videod-ppa-venemaale-eksinud-logistikud-paasesid-kodumaale

www.err.ee/1609006523/vene-piirivalvurid-pidasid-kinni-kaks-ekslikult-piiri-uletanud-ppa-logistikut