Substitute Ayoze Perez scored three minutes into stoppage time as Newcastle came from behind to beat Tottenham and move out of the relegation zone.
Magpies keeper Rob Elliot frustrated Spurs with two fine saves to deny Erik Lamela before Eric Dier struck.
Dier was unmarked when he glanced home Christian Eriksen’s corner.
Newcastle levelled when substitute Aleksandar Mitrovic tapped home after a scramble inside the six-yard box before Perez struck deep into stoppage time.
Newcastle’s third win in five games lifts them three places to 15th, Norwich City dropping into the relegation zone.
Tottenham, who would have climbed above Manchester United into fourth spot with victory, are now without a league win in three games.
Can Newcastle stay up?
Steve McClaren and his Newcastle players were facing another bad day when the Magpies defence forgot to mark Dier, who glanced home his third goal of the campaign six minutes before the interval.
Elliot had already made two excellent saves to keep out Lamela and the Newcastle keeper later denied Harry Kane.
Yet the visitors showed spirit and desire – ingredients missing for long spells of the season – to produce a victory that had appeared very unlikely.
They were rewarded for their persistence 16 minutes from time.
Mitrovic, who had only been on the pitch two minutes, bundled an equaliser after Toby Alderweireld and Hugo Lloris failed to clear Chancel Mbemba’s header.
Perez sealed a dramatic finish when he sneaked inside Jan Vertonghen before striking the ball past Lloris at the near post.
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Source: BBC