Gallus ordered his troops to attack the Persians, but Persian Emperor Shapur I invaded Armenia and destroyed a large Roman army, taking it by surprise at Barbalissos in 252.
Hostilities in Sicily resumed in 252, with the taking of Thermae by Rome. Carthage countered the following year, by besieging Lucius Caecilius Metellus, who held Panormos (now Palermo).
