Antonio Conte was visibly disappointed not to have seen out the victory against Arsenal, having conceded in the second minute of stoppage time to surrender their hard-fought lead.
Having come from behind to draw level, Marcos Alonso's finish seven minutes from time appeared to have secured the west Londoners bragging rights over their city rivals, before Hector Bellerin's late leveller.
Speaking to Sky Sports after the game, the Italian said: "It's a pity because when you have so many chances to score, you must win the game. But instead we are talking about a draw.