Leon Goretzka and Robert Lewandowski scored late on to keep Bayern Munich top of the Bundesliga with 4-2 comeback win over Borussia Dortmund in Der Klassiker.

Lewandowski completed his hat-trick in the final minute, shortly after Goretzka put Bayern ahead for the first time, long after Erling Haaland had fired the visitors 2-0 ahead inside nine minutes.

The win keeps Bayern two points clear of RB Leipzig, who had increased the pressure on the defending champions earlier with a 3-0 win at Freiburg.

It was the sixth consecutive league game where Dortmund conceded at least four goals at the Allianz Arena, a bitter blow for Edin Terzic's team after frustrating Bayern for the first 88 minutes.

The visitors made a furious start. Haaland scored in the second minute with the help of a deflection from Bayern defender Jerome Boateng, seven minutes before Thorgan Hazard set him up for a tap-in.

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But Lewandowski pulled one back in the 26th and equalised from the penalty spot before the interval after Mahmoud Dahoud fouled Kingsley Coman in the area, confirmed courtesy of a VAR review.

Haaland hurt his right foot after a challenge from Boateng and had to go...