Three explosions hit the Borussia Dortmund team bus ahead of their Champions League quarter-final with Monaco.
The team’s Twitter confirmed the incident took place at the team’s hotel, L’Arrivee, a 12-minute drive from the stadium – Signal Iduna Park.
One player taken to hospital, believed to be defender Marc Bartra according to local reports.
Tuesday night’s match was cancelled following the explosion and has been rescheduled for Wednesday.
Police confirmed that there was no immediate danger to anyone in and around their stadium.
Windows were smashed and one player, Marco Bartra according to local reports, has been taken to hospital.
It is suggested the player only suffered cuts too his hands from the shattered glass.
An announcement was made inside the stadium with a message put on the big screen informing supporters of the incident.
Dortmund tweeted to fans asking them to remain calm.
A statement from Dortmund police said: ‘In the run-up to the Champions League match of the BVB against the AS Monaco, there was an explosion near the BVB team teambus shortly after 7 pm.
‘The event location is Wittbrauckerstrasse / Schirrmannweg in Dortmund-Hochsten.
‘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.’
Monaco fans already inside the ground at Signal Iduna Park responded to the news by starting up chants of ‘Dortmund, Dortmund,’ which were warmly received by the home support.