A letter left near the scene of the attack reportedly claimed it was in retaliation for German military reconnaissance missions against ISIS in Syria.
German investigators are looking into the possible involvement of Islamist militants or anti-Nazi activists in blasts that hit a bus carrying players from soccer club Borussia Dortmund, media reported on Wednesday.
Sueddeutsche Zeitung newspaper said a letter left near the scene of the attack on Tuesday claimed it was in retaliation for German military reconnaissance missions against Islamic State in Syria. The paper also said the letter might be a deliberate attempt to mislead investigators.
German press agency dpa said investigators were examining a second letter, posted on an anti-fascism online portal, which said the attack was in retaliation for what it called the club’s soft approach toward neo-Nazi and racist fans.
