History of the Peloponnesian War

When they did not listen to his proposals, he marched straightway against Torone in Chalcidice, which was held by the Athenians, being invited by a few persons who were prepared to deliver up the town to him. Having arrived while it was yet night, and just about day-break, he sat down with his army near the temple of the Dioscuri, distant from the town about three stades.

Now by the rest of the town of the Toronaeans, and by the Athenians who were in garrison in it, he was not observed; but his partisans, knowing that he would come, and some few of them having privately visited him, were watching for his arrival. And when they found that he was come, they took in to them seven light-armed men with daggers; (for such only was the number, out of twenty who were at first appointed to the work, that were not afraid to enter, their commander being Lysistratus, an Olynthian.) These having passed through the sea-ward wall, and escaped observation, went up and put to the sword the garrison in the highest guard-house, (for the town stands on a hill, and broke open the postern towards Canastraeum.