Theomnestus and Apollodorus Against Neaera (100)

so, when the Plataeans saw the Thebans in the city and learned that their whole body was not there, they made an attack, overwhelmed them in battle, and destroyed them before the rest arrived to bear them further aid; and they at once sent a messenger to you, telling of what had been done and of their victory in the battle, and to ask for your help in case the Thebans should ravage their country. The Athenians, when they heard what had taken place, hastened to the aid of the Plataeans; and the Thebans, seeing that the Athenians had come to the Plataeans’ aid, returned home.