History of the Peloponnesian War

But the Epidamnians gave no ear to their commandments. Whereupon the Corcyraeans with forty galleys, together with the banished men (whom they pretended to reduce) and with the Illyrians, whom they had joined to their part, warred upon them,

and having laid siege to the city, made proclamation that such of the Epidamnians as would, and all strangers, might depart safely, or otherwise were to be proceeded against as enemies. But when this prevailed not, the place being an isthmus, they enclosed the city in on every side.