As the migration crisis worsens on the Italian island of Lampedusa, Tunisia, authorities are struggling to stem the flow of departures off the country's coast.

In Sfax in the east of the country, a large security campaign was conducted over the weekend to try to contain departures but the authorities must also manage sub-Saharan migrants in an irregular situation present in Tunisia, candidates for departure who have been the subject of several security campaigns with forced expulsions in the desert in July preceded by a racist political speech last February.

In Darfur the population has been without internet or telephone for months... To communicate with their loved ones, more than just one way: handwritten letters sent by collective taxi drivers.

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