Antigonus marched up close to the city, and lying in wait there himself, sent his generals and his son inside with a considerable relief-force. Areus also came, with a thousand Cretans and Spartans (the most lightly armed). All these troops united in an assault upon the Gauls and threw them into great confusion. And Pyrrhus, who now entered the city with shouts and cries by way of Cylarabis, noticed that the Gauls did not answer his men with any vigour or courage, and therefore conjectured that their response was that of men confounded and in distress
Edition :
Plutarch Lives IX: Demetrius and Antony, Pyrrhus and Caius Marius, Ed. Jeffrey Henderson, trans. Bernadotte Perrin (The Loeb Classical Library 101), Harvard University Press: Cambridge/MA - London 1968 (first ed. 1920).
Remark :
date: The date is taken from the New Pauly.
http://referenceworks.brillonline.com/entries/brill-s-new-pauly/pyrrhus-e1015710 long-term consequence: Because his troops do not answer him, Pyrrhus marches into the city himself, where he dies soon after in a streetfight. His death is mentioned in 34.3.
