Lloyd Dyer's early opener and a David Nugent penalty on the stroke of half-time set up a 2-1 win for the Foxes over Blackburn at the King Power Stadium, despite Jordan Rhodes reducing the deficit for the visitors from the spot late on.
Meanwhile Blackpool were left stunned as the Lions - previously without a win and in disarray after Saturday's 5-1 home loss to Derby - stormed back from behind to register their first three points of the season in style at the New Den.
Tom Ince put Blackpool in front on 16 minutes but Liam Trotter equalised with a penalty on the stroke of half-time, Nicky Bailey converted a Martyn Woolford corner to make it 2-1 on 73 minutes, and Steve Morison made sure of the points moments later.
Bolton slumped to the bottom after their worst start to a league season in 50 years continued as they were held to a 2-2 draw by Derby at the Reebok Stadium.
Alex Baptiste gave the Trotters an early lead but Johnny Russell scored twice to put the visitors in front with just 18 minutes on the clock. Chris Eagles grabbed an equaliser four minutes from half-time.
Nottingham Forest narrowly avoided an upset at home to Middlesbrough as two late goals salvaged a 2-2 draw at the City Ground.
Boro looked to be coasting to victory after goals from Kei Kamara and George Friend, but Forest sprang into life late on with Matt Derbyshire reducing the deficit with a 69th minute header and substitute Darius Henderson equalising 10 minutes later.
Burnley are now fourth after two goals from Danny Ings and a Scott Arfield header sent the Clarets on their way to a 3-0 win over struggling Birmingham at Turf Moor.
Ipswich hit back from behind to beat Yeovil 2-1 at Portman Road despite Joel Grant's 43rd minute opener for the visitors. Danny Murphy equalised with a header eight minutes into the second half and Aaron Cresswell won it on the hour.
Lewis McGugan scored twice as Watford beat Doncaster 2-1 at Vicarage Road.
McGugan's initial effort was ruled out by a 16th minute equaliser from Chris Brown, but McGugan won it with an 87th minute penalty after James Husband hauled down Sean Murray.
Goals from James Vaughan and Joel Lynch earned Huddersfield a 2-1 win over Charlton, who replied late through Cameron Stewart, while a late Marc Pugh goal gave Bournemouth a 1-0 win over Barnsley.
Woo!, Ipswich!, but for the defeat to Leeds the results are not too bad. We'll ptrobably capitulate at some point though, er..., natch?- hump3