Milan's Piazza Duomo faced scrutiny after New Year's Eve celebrations involving 25,000 attendees, including many foreigners.

Allegations of group sexual violence against a Belgian student have prompted an investigation by the Milan prosecutor's office.

Authorities are analyzing surveillance footage and gathering testimonies to verify the claims.

Despite the incidents, Milan's police chief, Bruno Megale, defended the security measures, highlighting the deployment of over 800 officers.

He emphasized the importance of addressing both real and perceived safety concerns, especially as the city attracts more tourists.

Local officials have called for trust in law enforcement while acknowledging the complexity of urban security challenges.