Matthew 24:15

Then when you may see the abomination of desolation, spoken of by Daniel the prophet, standing in the holy place (let him that readeth know),

Mark 13:14

And when you may see the abomination of desolation standing where it ought not (let him that readeth know), then let those in Judea fly to the mountains:

Treasury of Scripture Knowledge

Summary

Now among these were of the children of Judah, Daniel, Hananiah, Mishael, and Azariah:

Bible References

Daniel

Matthew 24:15
Then when you may see the abomination of desolation, spoken of by Daniel the prophet, standing in the holy place (let him that readeth know),
Mark 13:14
And when you may see the abomination of desolation standing where it ought not (let him that readeth know), then let those in Judea fly to the mountains: