German weekly Der Spiegel recently published video footage from Greece’s border with Turkey showing masked men forcing dozens of refugees and migrants back to the Turkish side.

The 11 videos obtained by the weekly news magazine show the men, some of whom are dressed in military style clothing without any national emblems, transporting groups of people from the Greek side of the Evros River to the Turkish side in a small rubber dinghy.

“We have been saying this for years: that pushback operations against people entering Greece take place in Evros,” Eva Cosse, Greece researcher at Human Rights Watch,

Read more: Videos show illegal pushback of refugees to Turkey