Mateusz Sitek

soldier of the 1st Warsaw Armored Brigade, killed by a migrant during the migration crisis on the Polish-Belarusian border

Jun 9
Poland names Moroccan suspect in 2024 border killing of soldier Mateusz Sitek, suspends investigation as Belarus ignores extradition request
Prosecutors identified Mohamed Addamrou as the man who fatally stabbed 21-year-old Sergeant Mateusz Sitek at the Belarus border in May 2024. The investigation was suspended on 22 May 2026 after Belarus failed to respond to an extradition request sent in December 2025.