For his soldiers advanced angrily against him and they also overcame easily the guard at the bridge over the Tiber; for when the guards took their stand on the bridge and disputed their passage, the horsemen forded the stream and fell upon them from the rear.
Edition :
Dio's Roman History. Cassius Dio Cocceianus. Earnest Cary. Herbert Baldwin Foster. William Heinemann, Harvard University Press. London; New York. 1914-.