The Dutch football side Ajax Amsterdam came from a goal down to beat Manchester City 3-1 and leave the Premier League champions facing a major battle to reach the Champions League knockout stage.
Borussia Dortmund beat nine-times European Cup winners Real Madrid 2-1 to top the group with 7 points, Real have 6, Ajax 3 and City 1.
Fellow German side Schalke became the first non-English team to win at Arsenal in a European tie for nine years as they scored a 2-nil victory to go top of their group.
