Monaco supporters with Borussia scarves react in the stadium after the match was postponed amid an explosion near the bus of Borussia Dortmund some 10km away from the stadium prior to the UEFA Champions League 1st leg quarter-final football match BVB Borussia Dortmund v Monaco in Dortmund, western Germany on April 11, 2017. / AFP PHOTO / Odd ANDERSEN (Photo credit should read ODD ANDERSEN/AFP/Getty Images)