Declassified documents show Madrid and Morocco were warned of plans by migrants to breach the Ceuta border. Spain's leader has rejected the idea - revealed in a trove of 40 documents - that there was prior warning about the Ceuta mass crossing of migrants. Key points and original sources are listed below.

• Declassified documents show Madrid and Morocco were warned of plans by migrants to breach the Ceuta border.S1

• Spain's leader has rejected the idea - revealed in a trove of 40 documents - that there was prior warning about the Ceuta mass crossing of migrants.S2