It was the ideal response from Son after he had been axed for failing to score in his previous eight appearances.
Son’s eye-catching treble showed he won’t sulk when Conte wants to take him out of the firing line, but the 30-year-old will have taken private satisfaction at reminding the Italian of his enduring class.
It was the perfect evening for Tottenham, who bounced back after losing for the first time in eight games this season on Tuesday when Sporting Lisbon scored twice in stoppage-time to seal a 2-0 win in the Champions League.
Tottenham’s fifth win from seven league games moved them above Arsenal and level on points with leaders Manchester City.
Although Arsenal would leapfrog their north London rivals with a win at Brentford on Sunday, Conte’s men go into the international break in fine fettle.
Bottom of the table Leicester’s sixth successive defeat will pile pressure on boss Brendan Rodgers after his outspoken criticism of the club’s failure to back him in the transfer window.