Spain says around 400 sub-Saharan migrants have attempted to climb over the multi-barbed-wire border fences separating its North African enclave of Melilla from Morocco.<br /><br />This time the authorities were tipped off.<br /><br />Some 150 managed to get into the area between the fences but were sent back.<br /><br />The enclave along with that of Ceuta are regularly targeted by migrants who are trying to cross into Europe in search of a better life.