21.   The accident came a day after an explosion rocked an empty passenger train at the station in the southern Russian city of Volgograd.

22.   The accident came just three days after a Navy submarine crashed into a Japanese fishing trawler off the coast of Oahu, sinking the trawler.

23.   The accident came less than a month after two Singaporean servicemen were killed in an accident during a training exercise in New Zealand.

24.   The accident came weeks after a judge ruled that the ultraconservative Swartzentruber Amish sect must use the orange-and-red reflective triangles on their buggies.

25.   The accident comes as Japan debates changing its pacifist constitution to allow it a more proactive security role in international conflicts.

26.   The accident comes at a crucial time for Hydro.

27.   The accident came at the end of a cross-country trip with his family that included hiking in the South Dakota Badlands and a trip to Mount Rushmore.

28.   The accident came during a warmup downhill race leading to the national championships.

29.   The accident came just hours after the U.S. Air Force suspended all domestic training flights.

30.   The accident came less than a year after three fans were killed during a CART race at Michigan Speedway.