The Great Epic of the Bhārata dynasty 7.171.66

7.171.66

tānnihatya raṇe vīro droṇaputro yudhāṃ patiḥ |
dadhmau pramuditaḥ śaṅkhaṃ bṛhantamaparājitaḥ || 66 ||

The driver of the Bhima's car having fallen into a swoon, the steeds, O king, began to fly away with great speed, in the very sight of all the bowmen. Beholding Bhima carried away from the field of battle by those running steeds, the unvanquished Aswatthaman joyfully blew his huge conch. Beholding Bhimasena borne away from the field, all the Panchalas, inspired with fear, abandoning the car of Dhrishtadyumna, fled away on every side. Then Drona's son, shooting his shafts fiercely, pursued those broken troops, causing a great carnage among them. Thus slaughtered in battle by the son of Drona, those Kshatriyas fled away in all directions from fear of that warrior.