Spurs fell into a fourth consecutive Premier League defeat as strugglers Leicester fought back from goal to claim their first win in nine games at a mutinous Tottenham Hotspur Stadium League loss.
The home fans' chants of "We want to tax" looked on as chairman Daniel Levy conceded four consecutive minutes after half-time as Ange Postecoglou's injured side twice. Then, as Spurs' dismal season hit a new low, they booed the final whistle.
The hosts took the lead with Richarlison's first-half header from Pedro Porro's cross, but Jamie Vardy converted from Bobby de Cordoba just 57 seconds after the break. Cordova-Reid's low cross.
The hosts were stunned by the equalizer and admitted what turned out to be the decisive goal when they held back and allowed Bilal El Khannouss to find the bottom corner from outside the box.
Spurs go into the game having gained some respite from their struggles in the Premier League with a Europa League win at Hoffenheim, but it comes at a cost James Maddison Added to their double-digit injury list due to "soreness" from that game.
Richarlison's goal put them in command at half-time, but Leicester ruthlessly exposed their defensive fragility with Vardy and El Hannas El Khannous turned the game around in front of rabid traveling fans, whose celebrations contrasted with the displeasure of home supporters.
Spurs tried to rally and Polo's deflected free-kick hit the crossbar, but they were short of ideas in the late stages and Leicester goalkeeper Jakub Stolarczyk denied Heung-Min's son twice in the first half.
The defeat stretched their winless run to seven Premier League games, deepened the club's sense of crisis and dropped them to 15th. Meanwhile, Leicester climbed from the relegation zone to 17th place.
Levy was the main target of the home fans' anger but there was also Boos for Postecoglou to withdraw striker Richarlison, although the Spurs boss later explained that the forward had only recently returned from injury.
The Spurs' woes in statistics
- Spurs lost their 13th Premier League match of the season. Only Leicester, Wolves and Southampton have lost more.
- Spurs have failed to win any of their last seven Premier League games (D1 L6), their longest winning run since nine games between May and October 2008.
- Spurs are now 21 points off the winning spot in the Premier League this season, more than any other side in the division.