Police have confirmed a number of arrests have been before the Union Berlin v Feyenoord Europa Conference League meeting in the German capital on Thursday. “One person was arrested after lighting a signal flare, two more for resistance and assault of officers,” authorities said on Twitter regarding a street incident outside the Olympic Stadium. Police also reported disturbances caused by Feyenoord fans travelling to the game at two stations on the city’s underground network and said those responsible were being pursued. A huge police presence is securing the high-risk game in order to prevent …