 However, Maurice was overthrown in 602 by Phocas, as his army rebelled against the endless Balkan campaigning.Phocas promptly scrapped those plans.Phocas maintained the security of the Balkans during his reign from 602 to 610, although he did withdraw some forces from the Balkans in 605, in order to use them in the ongoing Byzantine-Sassanid War of 602–628.