Over the past 24 hours, the tiny Spanish territory of Ceuta - location to astir 83,000 radical - has seen an unprecedented surge successful migrant arrivals.
An estimated 60,000 radical from Morocco are believed to person crossed into the North African enclave that has agelong been a focal constituent for migrant attempting to scope Europe.
Dozens of radical died portion trying to marque the crossing.
On Friday evening, Spanish officials confirmed that much than 48,000 of the migrants had voluntarily returned to Morocco.
BBC's Sarah Rainsford explains what whitethorn person triggered the surge successful crossings and what happens next.
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