Joshua 6:17 in the King James Version
And the city shall be accursed, even it, and all that are therein, to the LORD: only Rahab the harlot shall live, she and all that are with her in the house, because she hid the messengers that we sent.
Context
16 At the seventh time, when the priests blew the trumpets, Joshua said to the people, “Shout, for the LORD has given you the city!
17 The city shall be devoted, even it and all that is in it, to the LORD. Only Rahab the prostitute shall live, she and all who are with her in the house, because she hid the messengers that we sent.
18 But as for you, only keep yourselves from what is devoted to destruction, lest when you have devoted it, you take of the devoted thing; so you would make the camp of Israel accursed and trouble it.