German police have confirmed there were three explosions near the Dortmund team bus ahead of the game as defender Marc Bartra was injured in the incident.
They said in a statement: “In the run-up to the Champions League match of the BVB against AS Monaco, there was an explosion near the BVB team bus shortly after 7pm.
“The event location is Wittbräuckerstraße / Schirrmannweg in Dortmund-Höchsten.
“According to current knowledge the disks of the bus (whole or partial) were broken and one person was injured.
“It is not yet possible to say exactly what the explosion was or exactly where something exploded.”