England striker Harry Kane scored the only goal in the North London derby as Tottenham beat Arsenal 1-0 at Wembley.
Kane's 101st Premier League goal came from a superb towering header from 10 yards after 49 minutes from Ben Davies' cross, his seventh goal in seven league games against Arsenal.
Spurs had a flurry of chances to add a second as Kane headed just wide, Christian Eriksen hit the woodwork from a free-kick and both Erik Lamela and Dele Alli spurned one-on-one opportunities.
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Alexandre Lacazette missed a fine last-gasp chance for Arsenal, but the result means the Gunners have not beaten Spurs away from home in five attempts. Spurs go up to third, four points behind second-place Man Utd.