sentences:  For the next 65 years the Vandals maintained their domination, the valuable Corsican forests supplying the wood for their pirate fleets.After the Vandal state in Africa crumbled in the early sixth century under the onslaught of the Roman general Belisaurius, his lieutenant Cyril restored imperial rule of Corsica in 534, and the island was placed under the government of the newly organized Praetorian prefecture of Africa.However, the exarchate was not able to protect the island from the raiding by the Ostrogoths and the Lombards, who moved down into Italy from the north beginning in 568.