Friday marks the first anniversary of the death of Sergeant Mateusz Sitek from the 1st Warsaw Armoured Brigade, who died after being stabbed by a migrant while serving on the border with Belarus. The ceremonies commemorating the 21-year-old included Minister of National Defence Władysław Kosiniak-Kamysz. The sergeant was besides remembered by president Andrzej Duda. Soldiers and border guards paid tribute to the deceased soldier besides at the site where the attack took place a year ago.