Mbh 7.121.1d

Then Chitraketu, and Sudhanwan, and Chitravarman, O Bharata, and Chitraratha also, all afflicted with grief on account of their (slain) brother, together rushed against the son of Bharadwaja, desirous of battling with him, and shooting shafts (at him) like the clouds (pouring) at the end of summer. Struck from all sides by those mighty car-warriors of royal lineage, that bull among Brahmanas mustered all his energy and wrath for their destruction. Then Drona shot showers of shafts at them. Struck with those shafts of Drona shot from his bow to its fullest stretch, those princes, O best of monarchs, became confounded and knew not what to do. The angry Drona, O Bharata, beholding those princes stupefied, smilingly deprived them of their steeds and charioteers and cars in that battle. Then the illustrious son of Bharadwaja, by means of his sharp arrows and broad-headed shafts, cut off their heads, like a person plucking flowers from a tree. Deprived of life, those princes there, O king of great splendour, fell down from their cars on the earth, like the (slain) Daityas and Danavas in the battle between the gods and the Asuras in days of old. Having slain them in battle, O king, the valiant son of Bharadwaja shook his invincible bow, the back of whose staff was decked with gold. Beholding those mighty car-warriors, resembling the very celestials among the Panchalas slain, Dhrishtadyumna inflamed with rage, shed tears in that battle. Excited with wrath, he rushed, in that encounter, against Drona’s car. Then, O king, cries of woe suddenly arose there at the sight of Drona covered with arrows by the prince of Panchala. Completely shrouded by the high-souled son of Prishata, Drona, however, suffered no pain. On the other hand, he continued to fight, smiling the while. The prince of the Panchalas then, furious with rage, struck Drona in the chest with many straight shafts.