Across
- 1. a person abducted and kept for some reason
- 4. a person that travels on a plane or in a car
- 5. exchange
- 6. an operation attempting to cut off somedody's supply
- 9. carry out an attack
- 12. come to a climax
- 14. leave a building due to an emergency
- 16. observe
- 17. do something without getting paid
Down
- 2. place around a city
- 3. set free
- 7. at once
- 8. close observation, especially of a suspected spy or criminal
- 10. get
- 11. a person working in the army
- 13. injured
- 15. make an effort