A man's body was found on the border between Poland and Belarus.
According to the agency Polska Agencja Prasowa, citing the police in Podlaskie Voivodeship, the body was found in a forest nearby from the border.
A backpack and a Nigerian passport were found next to the body. The police are still in the process of establishing the identity of the deceased.
The corpse has been handed over to the forensic medical examination authorities.