Sihasutta 1.4

1.4

Yepi te, bhikkhave, rañño nāgā gāmanigamarājadhānīsu, daḷhehi varattehi baddhā, tepi tāni bandhanāni sañchinditvā sampadāletvā bhītā muttakarīsaṃ cajamānā, yena vā tena vā palāyanti.

Even the royal elephants, bound with strong harnesses in the villages, towns, and capital cities, break apart their bonds, and urinate and defecate in terror as they flee here and there.