National mourning after the tragedy in Krakow. What does it mean?

The Polish government is set to declare a national mourning period following a tragic shooting incident in Krakow, where a masked gunman killed six people and injured fifteen others. The mourning will involve lowering flags, canceling public events, and adjusting media content to reflect the somber mood. Citizens are also expected to cancel private gatherings to honor the victims. The shooting occurred in the city center, causing panic among bystanders as the attacker opened fire before being subdued by police. Emergency services quickly responded to assist the injured and secure the area.