Mahabharata 6.66.6

शिरसां पात्यमानानां समरे निशितैः शरैःअश्मवृष्टिरिवाकाशे बभूव भरतर्षभ

śirasāṃ pātyamānānāṃ samare niśitaiḥ śaraiḥaśmavṛṣṭirivākāśe babhūva bharatarṣabha

Our plain-language meaning of this verse is waiting for scholar review.