word work: inter- and mid-

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Across
  1. 3. to get involved, to come between, so as to alter or hinder an action
  2. 4. at half the distance
  3. 7. to stop or divert something in progress or motion
  4. 9. to disturb or stop someone or something
Down
  1. 1. to get involved in something,possible causing disturbance
  2. 2. the middle of the year
  3. 5. to act as a mediator in a disputw
  4. 6. the location of something surrounded by other things
  5. 8. 12:00 exactly