en_tn_condensed/jdg/20/40.md

General Information:

This verse continues to give background information that the writer inserted to explain to the readers how the ambush defeated the Benjamites. (See: rc://en/ta/man/translate/writing-background)

disaster

"great harm" or "trouble" or "misery"

come on them

This idiom means it happened to them. AT: "happened to them" (See: rc://en/ta/man/translate/figs-idiom)