Holders Barcelona suffered their first European Champions League football defeat in 10 matches as they were beaten 2-1 by Russian champions Rubin Kazan at the Nou Camp.
The Russian now top their group on goal difference from Barca.
Liverpool conceded a stoppage time goal to lose 2-1 to French side Lyon at Anfield.... their 4th straight loss in all competitions... the Reds remain third in their European group.
Arsenal also conceded a stoppage time goal to draw 1-all with Dutch side AZ Alkmaar, but they still top their group.
Elsewhere Rangers lost 4-1 to Unirea Urziceni and AC Milan drew 2-all with Dynamo Kiev.