Vitalian, Byzantine general, marches again to Constantinople. A fleet of 200 vessels sails from the Black Sea ports and blockades the entrance of the harbor capital. Emperor Anastasius I is disquieted by riots in the city, which cost many casualties, and decides to negotiate with Vitalian.
Vitalian accepts the receipt of ransom money and gifts worth 5,000 pounds of gold for the release of Hypatius, a nephew of Anastasius I who has been a prisoner since the attack at Acris (see 513). Vitalian retreats back to Lower Moesia.