Verses with the word warning in the Apocrypha (2 verses):
1 Maccabees 6:3
Wherefore he came and sought to take the city, and to spoil it; but he was not able, because they of the city, having had warning thereof,
2 Maccabees 6:17
But let this that we at spoken be for a warning unto us. And now will we come to the declaring of the matter in a few words.