Vaishmpayana said When the thunder-armed Indra could not divert Utanka from his purpose, he united the latter's walking staff with the force of thunder.
वैशम्पायन उवाच यदा स नाशकत् तस्य निश्चयं कर्तुमन्यथा। वज्रपाणिस्तदा दण्डं वज्रास्त्रेण युयोज ह॥