Leeds have reached the summit of the Championship after a thrilling 4-3 away win at Swansea.
Wilfried Gnonto came on as a substitute and scored the winning goal in the first minute of second-half stoppage time in the Welsh city.
It was a chaotic game on Sunday evening Harry Darling scored the first of seven goals after just eight minutes.
responded with a goal from Tottenham loanee Manor Solomon, but the hosts regained the lead thanks to a low shot from Liam Cullen.
A Ben Cabango own goal within ten minutes of the start of the second half leveled the score in damp conditions.
The visitors took the lead for the first time when Solomon scored his second goal, but Florian Bianchini equalized at the crucial moment.
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However, Leeds had the last laugh when substitute Gnonto scored just moments later to secure all three points.
Daniel Farke's team will now start the new week as league leaders Table with 32 points to their name.
They are ahead of Sunderland on goal difference after the Black Cats had to settle for a 1-1 draw away to Millwall the previous day.
A delighted Farke told Sky Sports after the game: “It feels great.” [to be top]especially after a game like this.
“It's an advertisement for this league – I think Sky Sports will be very happy and we're happy too after a huge win.”
“I didn't expect that. I expected a close game, never a 4-3, because it is so difficult to score goals against Swansea.”
“But it was an excellent game for the fans and also for the neutrals. I think in the end we deserved to win because we won more or less every statistic.”
“We were a little sleepy in injury time at the end of the first half and a little sleepy in injury time at the end of the second half, but in between we were excellent.”
Sheffield United in third place also has a points tally of 32, but Leeds are top of the table in English football's second tier.
The Whites are aiming to return to the Premier League for the second time this season under coach Farke.
Last season, Leeds appeared to be on course for automatic promotion, but four defeats in their last six games meant they finished third.
They beat Norwich City in the play-off semi-finals, but a 1-0 defeat to Southampton in the final ensured another championship season.
Farke's side have lost just two league games and are the second highest scorers with 28 goals, one behind Middlesbrough.
However, with 30 games still to play and only four goals between first and third, promotion is anything but certain for Leeds.
On Wednesday evening they return to Elland Road to host Luton Town, who sit 16th in the table after being relegated last season.