Both sides made changes, with Moussa Sissoko starting for Tottenham and Daniel Amartey in Foxes' line-up
Son Heung-min got on the end of a long through-ball from Toby Alderweireld to set up Harry Kane for opener
South Korean then got a goal of his own to reward hard-working performance after cheeky Deli Alli flick
Mistake from Hugo Lloris gifted Ben Chilwell chance to pull a goal back when he charged out of his area
Kane then grabbed his second to restore Spurs' advantage, effectively taking the game beyond Leicester
Son then grabbed his second of the night - and 21st of the season - with a lovely curled effort outside the box
Kane then scored his hat-trick to take him above Romelu Lukaku and to the top of the Golden Boot standings
In added time, three became four for Kane as he grabbed Spurs' sixth to complete a rampant display
Harry Kane wheels away in celebration after watching his effort hit the back of the Leicester net 25 minutes into the gameSon Heung-min and Ben Davies join the opening goalscorer Kane to celebrate in the Leicestershire rain on Thursday nightSon made it 2-0 a few minutes later when he got on the end of Dele Alli's through-ball to finish past Kasper SchmeichelSon sprinted towards the Sky Sports cameras and gave the viewers at home a kiss during his goal celebration on ThursdayBen Chilwell caused Tottenham a scare in the second half when he took advantage of Hugo Lloris' mistake to pull one backKane heads in his second and Tottenham's third to restore his side's two-goal advantage with half an hour left to playKane raises a fist in celebration towards the travelling supporters after netting his 24th Premier League goal of the seasonSon's second goal put Tottenham 4-1 ahead as he bent a lovely effort into the far corner of Schmeichel's Leicester goalEngland and Spurs' star striker Kane watches his effort drift past Schmeichel and beyond the reach of any Leicester playersMousa Dembele joins his team-mate Kane to celebrate the opening goal in the driving rain at the King Power StadiumIt took just 11 minutes for Spurs to add a second goal to their tally at Leicester, as Son finished first-time past the goalkeeperIn case any fans were unaware of the score, the Tottenham man shows it using his fingers - it was also his 20th of the seasonAlli (left) and Son, often pictured celebrating together with special handshakes, enjoy the latter's goal at the King PowerTottenham's players, including goal-maker Alli (right) join the South Korean to celebrate 10 minutes before the half-time breakSon appeared to be particularly delighted after netting his 20th goal in all competitions for Tottenham so far this seasonShinji Okazaki winces after being caught in an inadvertent headlock during a duel with Eric Dier midway through the first halfJamie Vardy tries a shot at Hugo Lloris' goal but it was an off-night for the England man as he failed to find the back of the netDier tries to put in a block as Riyad Mahrez attempts to find Vardy with a through-ball in the first half of the matchAlli tries to outmuscle Danny Simpson as Spurs go in search of another three Premier League points away at LeicesterMahrez, who has been heavily linked with a move away from the reigning champions in the summer, watches on during the tieFoxes striker Vardy tries to bring the ball under control using his chest as Dier and Toby Alderweireld watch on closely