The incursion might be made, Antioch sacked, and the booty carried off into Persian territory before the Romans in Mesopotamia received intelligence of what was happening." Kobad listened with approval, and determined to adopt the bold course suggested to him.
He levied a force of 15,000 cavalry, and, placing it under the command of a general named Azarethes, desired him to take Alamandarus for his guide and make a joint expedition with him across the Euphrates.

It was understood that the great object of the expedition was the capture of Antioch.
The allied army crossed the Euphrates below Circesium, and ascended the right bank of the river till they neared the latitude of Antioch, when they struck westward and reached Gabbula (the modern Jabul), on the north shore of the salt lake now known as the Sabakhah.

Here they learned to their surprise that the movement, which they had intended to be wholly unknown to the Romans, had come to the ears of Belisarius, who had at once quitted Daras, and proceeded by forced marches to the defence of Syria, into which he had thrown himself with an army of 20,000 men, Romans, Isaurians, Lycaonians, and Arabs.

His troops were already interposed between the Persians and their longed-for prey, Belisarius having fixed his headquarters at Chalcis, half a degree to the west of Gabbula, and twenty-five miles nearer to Antioch.

Thus balked of their purpose, and despairing of any greater success than they had already achieved, the allies became anxious to return to Persia with the plunder of the Syrian towns and villages which they had sacked on their advance.