| Clue | Source | Date |
|---|---|---|
| Fiery bridge player takes card, essentially, leading to actual fighting | ||
| Open military conflict | ||
| Conflict with fighting | New York Times | 12 Nov 2022 |
| Open hostilities | New York Times | 20 Dec 2020 |
| Open fighting | Wall Street Journal | 03 Aug 2019 |
| Active conflict | New York Times | 26 Feb 2019 |
| Open fighting | ||
| Active conflict | ||
| Armed conflict | USA Today | 31 Oct 2016 |
| Armed conflict | ||
| Open hostilities | ||
| Open conflict | ||
| Armed conflict | ||
| Korean conflict, for one | ||
| Armed conflict | ||
| Armed conflict | ||
| Shooting affair | ||
| Shooting match, modern style | ||
| Armed conflict |