Matthew 24:16

Then let them which be in Judea,.... When this signal is given, let it be taken notice of and observed; let them that are in the city of Jerusalem, depart out of it; or who are in any other parts of…

Then let them ... - Then Christians may know that the end is come, and should seek a place of safety. Destruction would not only visit the “city,” but would extend to the surrounding part of Judea.…

let them which be in Judea flee into the mountains Many Christians, warned by this prediction (according to Euseblus, H.E.iii. 5, "by a certain oracle"), took refuge at Pella in Peræa during the siege…