The material used to make the explosives that went off Tuesday by soccer team Borussia Dortmund’s team bus could have come from the German military’s stock, newspaper Welt am Sonntag reports.
Three “serious explosions” went off by Dortmund’s team bus Tuesday as the players were about to head to the stadium for the Champions League quarterfinal against AS Monaco. Spanish defender Marc Bartra broke his wrist as a result of the explosions and had to go to the hospital.
A source told Welt am Sonntag that the specialist knowledge was required to create and detonate the bombs.
“The explosives in the pipe bombs, which were filled with metal pins, might have come from the stocks of the German armed forces, but that’s still being checked,” the source told Welt am Sonntag Saturday.
Police originally assumed an Islamist motive behind the attack but investigators are now looking into alternative possibilities, including right-wing or left-wing extremist backgrounds.
A 26-year-old Iraqi citizen was arrested after the attack but there is no evidence linking him to the attack. He is instead accused of being an Islamic State commander of a 10-fighter unit that carried out kidnappings and executions in Iraq.
Police believe further attacks against sports events, concerts and cultural events are possible.
“In Bavaria, we are planning more intensive video surveillance especially of crime hotspots and public places,” Bavarian Interior Minister Joachim Herrmann told Welt am Sonntag.
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