Mark 13:15 in the King James Version
And let him that is on the housetop not go down into the house, neither enter therein, to take any thing out of his house:
Context
14 “But when you see the abomination of desolation, spoken of by Daniel the prophet, standing where it ought not” (let the reader understand), “then let those who are in Judea flee to the mountains,
15 and let him who is on the housetop not go down, nor enter in, to take anything out of his house.
16 Let him who is in the field not return back to take his cloak.