TOPSHOTS Policemen try to disperse hundreds of migrants by spraying them with fire extinguishers during a gathering for a registration procedure at the stadium on the Greek island of Kos, on August 11, 2015. Police on the Greek island on Kos hit migrants with truncheons to prevent a stampede, a day after an officer was caught on camera slapping a migrant. The incident occurred as hundreds of migrants were being relocated to a local football stadium, after camping alongside roads and beaches across the island for weeks. AFP PHOTO / ANGELOS TZORTZINIS