During a dispute between two men (brothers), their bodyguard ...

During a dispute between two men (brothers), their bodyguard and a security officer in a nightclub, the bodyguard reportedly pulled out a CZ P-10 semi-automatic pistol and threatened the security officer. The police arrived at the scene and detained all four men. Although the bodyguard had a legal permit for the firearm, the weapon was seized due to the circumstances. After being held for questioning, all four were released. The brothers are already known to the police.