SB 4.19.19

upasṛjya tamas tīvraṁ
 jahārāśvaṁ punar hariḥ
caṣāla-yūpataś channo
 hiraṇya-raśanaṁ vibhuḥ
Synonyms: 
upasṛjya — creating; tamaḥ — darkness; tīvram — dense; jahāra — took away; aśvam — the horse; punaḥ — again; hariḥ — King Indra; caṣāla-yūpataḥ — from the wooden instrument where the animals were sacrificed; channaḥ — being covered; hiraṇya-raśanam — tied with a gold chain; vibhuḥ — very powerful.
Translation: 
My dear Vidura, Indra, being the King of heaven and very powerful, immediately brought a dense darkness upon the sacrificial arena. Covering the whole scene in this way, he again took away the horse, which was chained with golden shackles near the wooden instrument where animals were sacrificed.