Mahabharata 8.65.10

8.65.10

abhyakrośansomakāstatra pārthaṃ tvarasva yāhyarjuna vidhya karṇam |
chindhyasya mūrdhānamalaṃ cireṇa śraddhāṃ ca rājyāddhṛtarāṣṭrasūnoḥ || 10 ||

The Somakas then loudly shouted to Partha, saying, "Be quick, O Arjuna, go and pierce Karna. Cut off his head without delay, and (with it) the desire of Dhritarashtra's son for kingdom." Similarly many warriors of ours that were there, said unto Karna, "Proceed, proceed, O Karna, and slay Arjuna with keen shafts. Let the sons of Pritha once more go to the woods forever."