Policemen arrested on Sunday evening in the Northern city of Assilah a Malian national suspected of mediating illegal immigration and human trafficking operations.
Aged 35, the suspect was nabbed when policemen raided three apartments to arrest 39 Sub-Saharan would-be illegal immigrants who were intending to reach Spain by sea, national police said in a statement.
The Malian national was placed in custody while investigations are still underway to arrest the main suspect who has been identified, the source added.