The Annals of Fulda, on the other hand, describe the raiders as Moors (Latin: mauri), which generally indicated Muslims from al-Andalus (Spain) or the Maghreb, as opposed to Ifriqiya.
The most important among them were the golden cross erected above the alleged tomb of Saint Peter, the so-called Pharum Hadriani, and the silver table donated to the church by Charlemagne, and adorned with a representation of Constantinople.
[6] In the meantime, an army coming from Spoleto and headed by Lombard Duke Guy, attacked the Arabs, hindered by booty and prisoners, in front of the city walls, pursuing a part of them until Centumcellae, while another group tried to reach Misenum by land.
[7] Shortly after the siege, Pope Leo IV built the Leonine Wall on the right bank of the Tiber, in order to protect the Church of St. Peter.
The encircled territory, defended by Castel Sant'Angelo, was named Leonine City after the pope, and was considered a separate town, with its own administration.
In 849, another Arab raid against Rome's port, Ostia, would be repelled; The Saracen survivors were made prisoners, enslaved and sent to work in chain gangs building the Leonine Wall which was to encompass the Vatican Hill.