Geremia 51:31

One post shall run to meet another, and one messenger to meet another, to shew the king of Babylon that his city is taken at one end, One post shall run to meet another - As the city was taken by surprise, in the manner already related, so now messengers, one after another, were dispatched to give the king information of what was done; viz., that the city was taken at one end. Herodotus tells us that the extreme parts of the city were taken, before those of the center knew any thing of the invasion. Herodot. lib. 1 c.