Ramayana
तमिन्द्रं ब्रह्महत्या ऽ ऽशु गच्छन्तमनुगच्छति । अपतच्चास्य गात्रेषु तमिन्द्रं दुःखमाविशत् ॥ 7-85-16 ॥
As Indra went swiftly, the sin of brahmin-slaughter pursued him; it fell upon his limbs, and grief took possession of Indra.
english translation