Disaster and Famine relief

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Across
  1. 3. Where did the world's most known man-made disaster (by aircraft) happen?
  2. 4. Last resort solution to provide food in an emergency
  3. 6. There are two types of disasters: Natural and .... disasters
  4. 7. The capacity to find alternatives such as new routes, new terminals or new suppliers
Down
  1. 1. Extreme state of hunger
  2. 2. A series of steps which could reduce disruptions
  3. 5. Where was the most recent natural disaster? (4th of March)