 Shortly after, in 113 BC, Jugurtha again declared war on his brother, and defeated him, forcing him to retreat into Cirta, Adherbal's capital.Adherbal held out for some months, aided by a large number of Romans and Italians who had settled in Africa for commercial purposes.From inside his siege lines, Adherbal appealed again to Rome, and the Senate dispatched a message to Jugurtha to desist.