By the artful appearances of flight, Constantine was betrayed into an ambuscade, which had been concealed in a wood, where the rash youth, with a few attendants, was surprised, surrounded, and slain.

His body, after it had been found in the obscure stream of the Alsa, obtained the honors of an Imperial sepulchre; but his provinces transferred their allegiance to the conqueror, who, refusing to admit his elder brother Constantius to any share in these new acquisitions, maintained the undisputed possession of more than two thirds of the Roman empire..