Manchester City held off an unlikely Leicester comeback to clinch a ninth successive Premier League win in thrilling style and move six points clear at the top of the table.
It looked like the defending champions had wrapped up the points by half-time as they led a depleted Foxes side 4-0, with a penalty apiece by Riyad Mahrez and Raheem Sterling on top of strikes by Kevin de Bruyne and Ilkay Gundogan.
Leicester had other ideas, however, with three goals in the space of 10 second-half minutes from James Maddison, Ademola Lookman and Kelechi Iheanacho giving them hope.
A header by Aymeric Laporte restored order and gave the home side much-needed breathing space, before Sterling's second made sure of the points late on, but what had started out as a walk in the park will be remembered as a much sterner test for the league leaders.
The Foxes had already been fortunate to survive some fierce early pressure when they allowed De Bruyne time to bring down Fernandinho's hoisted pass into the area and he made no mistake with a precise finish.
Mahrez made it 2-0 from the spot soon afterwards when Youri Tielemans hauled down Laporte at a corner and Gundogan added a third after Kasper Schmeichel could only palm Joao Cancelo's cross into his path.
Sterling added a fourth after just 25 minutes, stepping up to take the penalty himself after Tielemans had chopped him down, and with the home side in such ruthless mood, it appeared it was just a case of how many more goals would follow.
Instead, it was Leicester who provided the sparkling attacking play after the break, and for a while a remarkable fightback looked on the cards.
The Foxes' first goal was down to a slip by Oleksandr Zinchenko, allowing Maddison to dart clear, exchange passes with Iheanacho and slot home.
Iheanacho set up their second goal too, this time sliding Lookman clear to fire past Ederson, before getting on the scoresheet himself to continue his side's comeback.
Ederson did well to tip Maddison's shot onto the bar but the rebound fell kindly for Iheanacho, who made no mistake from close range.
That stunned everyone inside Etihad Stadium, including the travelling Leicester fans who had been chanting in jest about winning 5-4 when their first goal had gone in.
Manchester City's wobble did not last long, however, with Laporte rising to nod home Mahrez's corner five minutes later, and Sterling was in the right place to turn in a Ruben Dias knockdown before the end of a remarkable match.
Sterling later said: "The manager warned us at half-time. Leicester conceded four in the first half but every time they attacked, they created chances.
"It's disappointing. We just had to control the game. It was slick football. At 4-0 up you have to kill the game. Leicester have some really good players. They didn't get disheartened and kept going. Credit to them."
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