History of the Peloponnesian War

the next day about evening they had within very little finished. But then they that were in Nisaea, seeing themselves to want victual (for they had none but what came day by day from the city above), and without hope that the Peloponnesians could quickly come to relieve them, conceiving also that the Megareans were their enemies, compounded with the Athenians on these terms: to be dismissed every one at a certain ransom in money; to deliver up their arms; and the Lacedaemonians, both the captain and whosoever of them else was within, to be at discretion of the Athenians. Having thus agreed, they went out.

And the Athenians, when they had broken off the long walls from the city of Megara and taken in Nisaea, prepared for what was further to be done.