The Gauls who formed the rearguard of Antigonus, a numerous body, made a sturdy resistance; but after a fierce battle most of these were cut to pieces, while those who had charge of the elephants were hemmed in and surrendered themselves and all their animals.
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 :
long-term consequence: The mutiny is described in 26.4. date: The date is taken from the New Pauly. http://referenceworks.brillonline.com/entries/brill-s-new-pauly/pyrrhus-e1015710