History of the Peloponnesian War

When they had been convicted and because of the excessive amount of the fine took refuge at the temples as suppliants, that they might arrange for the payment of the fine by instalments, Peithias persuaded the senate, of which he was also a member, to let the law take its course.

The condemned men, seeing that they were debarred by the law from carrying out their proposal and at the same time learning that Peithias, so long as he continued to be a member of the senate, would persist in his attempt to persuade the populace to conclude an offensive and defensive alliance with the Athenians, banded together and suddenly rushing into the senate with daggers in their hands killed Peithias and others, both senators and private persons, to the number of sixty. A few, however, who held the same political views as Peithias, took refuge in the Attic trireme that was still in the harbour.