Shatapatha Brahmana 11.2.7.23

11.2.7.23

sa ya eṣa kṣipram mriyate aśanirha tamanuyājo hantyatha yo visravanmiśra iva hrādunirha tamanuyājo hantyatha yo'bhyuṣṭamiśra ivolkuṣī ha tamanuyājo hanti

And if such a one dies suddenly, then, indeed, it is that after-offering, the thunderbolt, that smites him; and if he is, as it were, covered with out-flowing (blood), then it is that after-offering, the hail-stone, that smites him; and if he is, as it were, covered with scorching, then it is that after-offering, the (heavenly) firebrand, that smites him.