History of the Peloponnesian War

This they continued to pay till the Attic war broke out; when, on their ceasing to do so on the pretext of the war, the Eleans proceeded to compel them; on which they had recourse to the Lacedaemonians. When the case was thus submitted to the arbitration of the Lacedaemonians, the Eleans, suspecting that they should not have justice, renounced the reference, and laid waste the Leprean territory.

The Lacedaemonians nevertheless decided that the Lepreans were independent, and that the Eleans were acting with injustice; and inasmuch as they had not stood by the arbitration, they sent into Lepreum a garrison of heavy-armed troops.