Tottenham Hotspur manager Ange Postecoglou says the "foundations are really fragile" at the club after sections of fans took joy at Tuesday's defeat by Manchester City which ended their hopes of Champions League football.
Spurs could have handed north London rivals Arsenal an advantage over City in the Premier League title race had they taken points off the visitors.
Postecoglou's side needed to beat City at Tottenham Hotspur Stadium to keep hopes of a top-four finish alive, but were beaten 2-0.
"The foundations are really fragile," Postecoglou said after the game. "The last 48 hours have shown me that.