Since they went three games without winning in the league - drawing at Spurs, losing to Leicester and drawing at Chelsea they've subsequently beaten Brentford, Palace away, Leicester, Burnley away, Norwich and Leeds at home. That's 6 wins in the league against teams you'd expect them to beat. It's not threatening just yet. It's their second 6 game winning run in the league this season. Generally they've pieced together 2 or 3 tops before losing/drawing.
We did 15 wins in a row before the draw at Southampton. Spurs have always been a thorn in our side with the Kane/Son combination. We've got some tough games coming up, as do they but there's no reason to panic just yet. We're still top, we've still got a 3pt lead and with 12 games to go that's a good place to be. It would be nice to tie it up early and relax, but our greatest title wins have been those battles to the wire and so far we've come out on top every time it's been that situation.