It was by him that Vritra, that foremost of virtuous persons, was possessed when he yawned. It was then that Shakra discharged his thunderbolt at him.
अनेन हि समाविष्टो वृत्रो धर्मभृतां वरः॥ व्यजृभत ततः शक्रस्तस्मै वज्रमवासृजत्।