Dortmund Team Bus Attack: What We Know and Don't Know So Far

[ PHOTO: THE NEW YORK TIMES ]

Dortmund, Germany (dpa) - Three explosions hit the team bus of Bundesliga football side Borussia Dortmund on Tuesday evening. The players were on their way to the Champions League quarter-final first leg match against AS Monaco at the time. A number of questions still remain unanswered about the attack. WHAT WE KNOW - Three explosions hit…