Spurs defender Toby Alderweireld scored at both ends in the first half on Sunday after the Belgian handed Villa the lead with a ninth minute own goal before making amends with his first goal in three years with a hammered half-volley to equalise.

Son put Jose Mourinho's side ahead on the stroke of halftime to claim his half-century mark by converting a rebound after missing a penalty kick.

Villa defender Bjorn Engels, who gave away the penalty, headed in a corner for his first club goal to make it 2-2 but Son raced away in the fourth minute of stoppage time to seal a dramatic winner.

"I thought we deserved to win but I think they did not deserve to lose," said Mourinho.

"Villa played to win."

The victory moves Spurs closer to European Champions League qualification in fifth, a single point behind fourth-placed Chelsea, who host Manchester United on Monday.

Dean Smith's Aston Villa sit 17th and one point above the relegation zone.

Meanwhile in the late game Arsenal scored four second-half goals to claim their first league win since New Year's Day and rise to 10th place.

The Gunners thrashed Newcastle 4-0 with goals from Pierre-Emerick Aubameyang, Nicolas Pepe, Mesut Ozil and even misfiring Alexandre Lacazette for the impressive victory.

Australian Associated Press