European round-up: Serie A leaders Napoli lose to Lazio
Runaway Serie A leaders Napoli suffered a shock 1-0 home defeat by Lazio.
Matias Vecino condemned Napoli to only their second league loss of the season with a vicious 25-yard strike after 67 minutes.
Lazio's win moved them above Inter Milan and AC Milan into second place, still 17 points adrift of Napoli.
Borussia Dortmund took over top spot in the Bundesliga by beating RB Leipzig 2-1.
Marco Reus converted a 21st-minute penalty to equal Michael Zorc as Dortmund’s second all-time leading scorer with his 159th goal for the club.
Emre Can doubled Dortmund’s lead from distance six minutes before the break, with Emil Forsberg pulling one back for Leipzig in the final quarter.
Dortmund are now three points above Bayern Munich, who have a game in hand.
Nice drew 1-1 with lowly Auxerre in Ligue 1 after Gauthier Hein had fired through the legs of Kasper Schmeichel to put the visitors ahead.
Gaetan Laborde levelled for Nice in first-half stoppage time with a magnificent diving header.
In La Liga, third-placed Real Sociedad were surprisingly held 0-0 at home by Cadiz.