The Mamertines became a growing threat to Carthage and Syracuse alike. In 265 BC, Hiero II, former general of Pyrrhus and the new tyrant of Syracuse, took action against them.
As the Mamertines' strength increased, they became a danger to both Carthage and Syracuse. In 265 BC, Hiero II, a former commander under Pyrrhus and newly ruling Syracuse, took decisive action against them.