French riot policemen attend a drill at the Marseille railway station, France, May 4, 2016, in preparation of security measures for the UEFA 2016 European Championship. REUTERS/Jean-Paul Pelissier
French riot policemen attend a drill at the Marseille railway station, France, May 4, 2016, in preparation of security measures for the UEFA 2016 European Championship. REUTERS/Jean-Paul Pelissier