Switzerland. Canton Ticino. Melano. Ticino State Police, Reparto Intervento Speciali. Special Intervention Unit (SIU). Training exercice with SIU men arriving by rigid inflatable boats on a ship following a hostage taking. A man threatens two hostages with his gun. The blue pistol is used only during training exercices. The handgun is loaded with non lethal bullets in order to use it and shoot during training interventions. A police tactical unit (PTU) is a specialised police unit formed and trained to handle situations that are beyond the capabilities of ordinary law enforcement units because of the level of violence - or risk of violence - involved. During the training’s exercice, the police tactical unit intervenes in a high risk situation, such as shootouts, hostage and terrorist incidents. Lake Lugano (Italian: Lago di Lugano or Ceresio) is a glacial lake which is situated on southern Switzerland. The national flag of Switzerland displays a white cross in the centre of a square red field. The white cross is known as the Swiss cross.18.02.22 © 2022 Didier Ruef