Ramayana
तेषां वरुणपुत्राणां हत्वा योधान्हयाञ्छतान् । मुमोचाशु महानादं विरथान्प्रेक्ष्य तान्स्थितान् ॥ 7-23-38 ॥
Having slain hundreds of the warriors and horses of those sons of Varuna, and seeing them standing bereft of their chariots, he swiftly let loose a great roar.
english translation