History of the Peloponnesian War

and falling upon them put them to flight, partly with the suddenness of the charge and partly through the fear they were in of the Athenians, to whom the gates were at the same time opened. For they imagined that this insurrection was by some appointment made between them.

So they fled into the citadel, as many as were not presently slain, which was also in their own hands before. But the Athenians (for now was Nicias also come back, and at the town-side) rushed into the city with the whole army and rifled it, not as opened to them by agreement, but as taken by force; and the captains had much ado to keep them that they also killed not the men.