Hundreds of migrants are swimming from Morocco to the Spanish territory of Ceuta, overwhelming border securityHundreds of migrants swim from Morocco to the Spanish territory of CeutaFILE - Moroccan men fish on the Moroccan side of the border with Spain, as seen from the district of Benzu in the Spanish enclave of Ceuta, June 3, 2021. (AP Photo/Bernat Armangue, File)FILE - Moroccan men fish on the Moroccan side of the border with Spain, as seen from the district of Benzu in the Spanish enclave of Ceuta, June 3, 2021. (AP Photo/Bernat Armangue, File)FILE - Moroccan men fish on the Moroccan side of the border with Spain, as seen from the district of Benzu in the Spanish enclave of Ceuta, June 3, 2021. (AP Photo/Bernat Armangue, File)BARCELONA, Spain -- Hundreds of migrants are swimming from Morocco to the tiny Spanish territory of Ceuta at the country’s northern tip, overwhelming border security, local authorities said Wednesday. It was not clear what prompted so many migrants to swim to Ceuta.