 According to Diodorus Siculus, Hipparinus, a son of Dionysius the Elder, a previous tyrant of Syracuse, attacked Syracuse with a fleet and army, after which Callippus fled from the city.According to Polyaenus, Hipparinus was staying in Leontini when Callippus had sent out his army.Hipparinus attacked while most of the army was gone and secured control of the city.