Copter on quake mission flips in Mexico, kills 13 on ground

  1. Copter on quake mission flips in Mexico, kills 13 on ground  Chicago Tribune
  2. Military helicopter crashes in Mexico, killing 13 quake survivors on the ground  Los Angeles Times
  3. Mexicans survived an earthquake. Then a government helicopter killed 13 on the ground.  Washington Post
  4. Quake’s only fatalities due to chopper crash  Mexico News Daily
  5. Full coverage

http://www.chicagotribune.com/news/nationworld/ct-mexico-helicopter-crash-20180217-story.html