Man-made disasters

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Across
  1. 3. a period of time when the supply of electricity, etc. is not working
  2. 5. activities that involve breaking the law
  3. 6. to make it difficult for something to continue in the normal way
  4. 9. to fall down or fall in suddenly, often after breaking apart / GIVE AWAY
  5. 10. deliberately, done in a way that was planned, not by chance
  6. 12. an unpleasant event, especially in a vehicle, that happens unexpectedly and causes injury or damage
  7. 13. an explosion or a powerful movement of air caused by an explosion
Down
  1. 1. an object such as a knife, gun, bomb, etc. that is used for fighting or attacking somebody
  2. 2. the crime of deliberately setting fire to something, especially a building
  3. 4. the possibility of trouble, danger or disaster
  4. 7. to flow over the edge of a container by accident
  5. 8. violent behaviour of large groups of people
  6. 11. a powerful form of energy