The explosion came as Germany, and the southern state of Bavaria in particular, have been on edge. Just two days earlier, a man went on a deadly rampage at a Munich mall, killing nine people and leaving dozens wounded.

Angela Merkel tries to reassure frightened German citizens after fourth recent attack

The explosion came as Germany, and the southern state of Bavaria in particular, have been on edge. Just two days earlier, a man went on a deadly rampage at a Munich mall, killing nine people and leaving dozens wounded.