 Lucius and Fulvia, supported by their army, marched on Rome and promised the people an end to the Triumvirate in favor of Antony's sole rule.However, when Octavian returned to the city with his army, the pair was forced to retreat to Perusia in Etruria.Octavian placed the city under siege while Lucius waited for Antony's legions in Gaul to come to his aid.