A 32-year-old man was detained for spray-painting a Z-symbol on a pillar of the Riigikogu building in Tallinn. A misdemeanor investigation was opened for supporting international crime. Police found no other hate-inciting symbols in nearby government or embassy buildings.

At 01:45 am on December 30, 2025, police were notified that a 'Z' symbol had been spray-painted on a pillar of the Riigikogu (Estonian Parliament) building in Tallinn. The police detained a 32-year-old Estonian citizen suspected of committing the act at the scene. The suspect is known to police and had previously been punished multiple times for the same offense. The police initiated a misdemeanor investigation under a criminal code section addressing support and justification of international crimes. Following the incident, police patrolled other government and embassy buildings but found no other hate-inciting symbols. The graffiti was initially covered and later painted over with white paint during the afternoon.