2017: Fifty-eight people are killed and 546 others injured in a mass shooting on a country music festival at the Las Vegas Strip; the gunman, Stephen Paddock, later commits suicide.
2014: A series of explosions at a gunpowder plant in the village of Gorni Lom in Northwestern Bulgaria completely destroys the factory, killing 15 people.
2012: A ferry collision off the coast of Hong Kong kills 38 people and injures 102 others.