Thus disturbed again and again by the unnatural occurrences caused by the followers of Hiraṇyakaśipu, all the people had to cease the activities of Vedic culture. Not receiving the results of yajña, the demigods also became disturbed. They left their residential quarters in the heavenly planets and, unobserved by the demons, began wandering on the planet earth to see the disasters.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
एवं विप्रकृते लोके दैत्येन्द्रानुचरैर्मुहुः । दिवं देवाः परित्यज्य भुवि चेरुरलक्षिताः
evaṃ viprakṛte loke daityendrānucarairmuhuḥ | divaṃ devāḥ parityajya bhuvi ceruralakṣitāḥ
SB 7.2.16