Rāmāyaṇacampū 3.56

3.56

Thereupon, the son of the Wind, thinking, 'Indeed, I did not see this city very clearly by night; therefore I shall inspect the entire city with the fire as witness,' struck down the host of night-roamers with an iron bar from the familiar city gate.
In order to deliver the Kamalā named Sītā to his master, / the Creator, indeed, churned the ocean of Laṅkā, / terrifying with the waves of agitated armies, / with the Mandara that was the son of the Wind, coiled around by the body of the serpent king [his burning tail] as the churning-rope. ..56..