Unidentified assailants gained access to several carriages of a freight train in Poland and dumped the agricultural products transported in them, according to media reports. In the incident in Kotomierz in north-central Poland, corn from eight wagons was scattered on the tracks, a police spokeswoman told the Polish PAP news agency on Sunday. It initially remained unclear exactly when the crime occurred. The background is likely to be the protests by Polish farmers against cheap Ukrainian agricultural imports. It wasn’t the first incident of its kind. Ukrainian Deputy Prime Minister and Infrast…