The ecclesiastical history relates, that all the Christians who were in Judæa, when the destruction of Jerusalem was approaching, being warned of the Lord, departed from that place, and dwelt beyond the Jordan in a city called Pella, until the desolation of Judæa was ended.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).
Also cites: Ecc. Hist. lib. iii. c. 5.