Judges 21:6

6 Now the Israelites grieved for the tribe of Benjamin, their fellow Israelites. “Today one tribe is cut off from Israel,” they said.

Read Judges 21:6 Using Other Translations

And the children of Israel repented them for Benjamin their brother, and said, There is one tribe cut off from Israel this day.
And the people of Israel had compassion for Benjamin their brother and said, "One tribe is cut off from Israel this day.
The Israelites felt sorry for their brother Benjamin and said, “Today one of the tribes of Israel has been cut off.

What does Judges 21:6 mean?

John Gill's Exposition of the Bible
Judges 21:6

And the children of Israel repented them for Benjamin their
brother
Not that they went to war with them, as if their cause was not good; but for the severity they had exercised towards them, especially in destroying their women and children, and for the fatal consequences like to follow here after, particularly the dissolution of the whole tribe:

and said, there is one tribe cut off from Israel this day;
that is, there is a likelihood or great danger of it.

California - Do Not Sell My Personal Information  California - CCPA Notice