Switzerland. Canton Ticino. Lugano. Police officers from TPO (Transport Police). The policemen wear the special riot police black uniforms and helmets. They seat inside the TPO van following the FC Luzern football club's supporters walking towards the Cornaredo stadium. The ultras fans can become violent at any time.TPO (Transport Police) is the Swiss Federal Railways Police. Swiss Federal Railways (German: Schweizerische Bundesbahnen (SBB), French: Chemins de fer fédéraux suisses (CFF), Italian: Ferrovie federali svizzere (FFS)) is the national railway company of Switzerland. It is usually referred to by the initials of its German, French and Italian names, as SBB CFF FFS. 2.06.2017 © 2017 Didier Ruef