For the men in the front rank, as soon as the surface-covering was broken through, fell into the excavations, and those immediately behind them stumbled over them, slipped, and likewise fell in; the rest drew back in terror, but their retreat was so sudden that they not only lost their footing themselves, but also upset those in the rear and drove them into a deep ravine. Great, indeed, was the loss of life among both these and those who had fallen into the trenches, as horses and men perished in wild confusion.
Edition :
Dio's Roman History. Cassius Dio Cocceianus. Earnest Cary. Herbert Baldwin Foster. William Heinemann, Harvard University Press. London; New York. 1914-.