
TOKYO -- Investigations into Saturday's collision between an American destroyer and a Philippine containership are intensifying, after the U.S. Navy confirmed the deaths of seven crew members.
The collision occurred around 1:30 a.m. south of Tokyo Bay, according to the Japan Coast Guard. The weather was clear. At this point, the key unanswered questions are: How did it happen? And why was the damage to the warship so severe?