The assembled cowherd men and ladies began to contemplate how this thing had happened. “Is it the work of some demon or evil planet?” they asked. At that time, the small children present asserted that the cart had been kicked apart by the baby Kṛṣṇa. As soon as the crying baby had kicked the cart’s wheel, the cart had collapsed. There was no doubt about it.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
ऊचुरव्यवसितमतीन् गोपान् गोपीश्च बालकाः । रुदतानेन पादेन क्षिप्तमेतन्न संशयः
ūcuravyavasitamatīn gopān gopīśca bālakāḥ | rudatānena pādena kṣiptametanna saṃśayaḥ
SB 10.7.9