Xenophon Hellenica 4.4.3

[3] Then again, when the signal was given to those who had been told whom they were to ¹ kill, they drew their swords and struck men down,—one while standing in a social group, another while sitting in his seat, still another in the theatre, and another even while he was sitting as judge in a dramatic contest. Now when the situation became known, the better classes immediately fled, in part to the statues of the gods in the market-place, in part to the altars; then the conspirators, utterly sacrilegious and without so much as a single thought for civilized usage, both those who gave the orders and those who obeyed, kept up the slaughter even at the holy places, so that some even among those who were not victims of the attack, being right-minded men, were dismayed in their hearts at beholding such impiety.