Borussia Dortmund's team bus has been damaged by an explosion before their home Champions League quarter-final with Monaco at the Westfalenstadion.

The German team confirmed that one person had been injured but said there was "no danger inside the stadium".

A decision on whether tonight's game - scheduled for a 19:45 BST kick-off - will go ahead is to be taken at 19:30 BST.

Dortmund tweeted that: "A bomb exploded at the team bus next to the hotel."

The club added: "The players are safe. There is no danger at the stadium."

Dortmund police said that windows were broken and one person had been injured.