Migrants from sub-Saharan Africa have spoken of their horror at being forcibly returned to remote desert regions where some have died of thirst as they attempt to cross the border into Tunisia.
As the European Union prepares to send money to Tunisia under a €1bn (£870m) migration deal, human rights groups are urging Brussels to take a tougher line on allegations that Tunisian authorities have been pushing people back to deserted border areas, often with fatal results.
