Russian S-300 missile strike on a Nova Poshta mail depot in Kharkiv region killed six postal workers and wounded 16 others on October 21, 2023.

Russian missile strikes killed at least six postal workers and wounded 16 others when they hit a mail depot in Ukraine's northeastern Kharkiv region

Russian forces in the Belgorod region north of Kharkiv fired S-300 missiles, two of which hit the warehouse

In the area of responsibility of the Khortytsia Operational Strategic Group on the Kupiansk front, Ukrainian defenders repelled over 20 Russian attacks near Synkivka and Ivanivka in Kharkiv Oblast, and over 5 attacks near Nadiia in Luhansk Oblast.