In 530 , a palace coup in Carthage overthrew Change_of_leadership the pro-Roman Hilderic and replaced Change_of_leadership him with his cousin Gelimer .

These not only distracted Gelimer from the Emperor 's preparations , but also weakened Cause_change_of_strength Vandal defences through the dispatch Sending of the bulk of the Vandal navy and a large portion of their army under Gelimer 's brother Tzazon to Sardinia .

These not only distracted Gelimer from the Emperor 's preparations , but also weakened Cause_change_of_strength Vandal defences through the dispatch Sending of the bulk of the Vandal navy and a large portion of their army under Gelimer 's brother Tzazon to Sardinia .

The Roman expeditionary force set Placing sail from Constantinople in late June 533 , and after a sea voyage along the coasts of Greece and southern Italy , landed Self_motion on the African coast at Caputvada in early September , to Gelimer 's complete Process_end surprise .

Gelimer 's elaborate plan to encircle Besieging and destroy Destroying the Roman army came close to success , but Belisarius was able to drive Self_motion the Vandal army to flight Self_motion and occupy Control Carthage .

Gelimer withdrew Escaping to Bulla Regia , where he gathered Come_together his remaining strength , including the army of Tzazon , which returned Arriving from Sardinia .

In December , Gelimer advanced towards Carthage and met Come_together the Romans at the Battle of Tricamarum .

Gelimer fled Escaping to a remote mountain fortress , where he was blockaded Besieging until he surrendered Surrendering in the spring .

Belisarius returned Arriving to Constantinople with the Vandals ' royal treasure and the captive Gelimer to enjoy Perception_active a triumph , while Africa was formally restored to imperial rule as the praetorian prefecture of Africa .