Bayern Munich have confirmed that Franck Ribery got into a physical altercation with pundit Patrick Guillou following their 3-2 loss at Dortmund.

"Franck Ribery has informed us that he had an altercation with his countrymen Patrick Guillou, whom he has known for many years," sporting director Hasan Salihamidzic told Bild.

"We have agreed with Patrick Guillou on Saturday that we will hold a timely meeting to discuss how to clear up the matter for good. Mr. Guillou has already signalled his interest."

Eyewitnesses said Ribery had railed at Guillou before slapping him in the face and pushing him, Bild reported.