| value | description |
|---|---|
| airRaid | |
| altercationOfVehicleOccupants | |
| assault | |
| assetDestruction | |
| attack | |
| attackOnVehicle | |
| blockadeOrBarrier | |
| bombAlert | |
| crowd | |
| demonstration | |
| evacuation | |
| filterBlockade | |
| goSlowOperation | |
| gunfireOnRoadway | |
| illVehicleOccupants | |
| march | |
| publicDisturbance | |
| radioactiveLeakAlert | |
| riot | |
| sabotage | |
| securityAlert | |
| securityIncident | |
| sightseersObstructingAccess | |
| strike | |
| terroristIncident | |
| theft | |
| toxicCloudAlert | |
| unspecifiedAlert | |
| other |