Chris Wood marked his Leicester debut with a brace as the Foxes brushed aside struggling Huddersfield 6-1 to maintain their place in the Championship play-off positions.
New Zealand international Wood, who netted 11 times on loan at Millwall before he was recalled by West Brom, completed his switch to the King Power Stadium on Tuesday morning and needed just six minutes to open his Leicester account.
Wood formed an excellent understanding with the dangerous David Nugent and added his second midway through the first half before Ritchie De Laet's first Foxes goal capped off an outstanding 45 minutes.
Things got better for Leicester after the break as Anthony Knockaert bagged a quickfire brace and, after Scott Arfield netted a consolation, Martyn Waghorn converted late on to help City secure their second successive victory.
Cardiff started 2013 by extending their lead to seven points at the top of the table with a 1-0 victory at plucky Birmingham.
Recalled striker Joe Mason bagged the only goal of the game - his fifth of the season - in the 41st minute, following up to tap home from close range after Jack Butland's parried save from Craig Conway had taken a fortuitous bounce.
Hull, who had won six of their previous seven Championship matches, remain second in the table after a 0-0 draw at Blackpool.
Derby derailed Middlesbrough's automatic promotion push with a 3-1 win at Pride Park.
Young midfield duo Michael Jacobs and Jeff Hendrick did the damage with first-half goals before Conor Sammon scored midway through the second half to seal the three points and keep the Rams well positioned to mount a play-off challenge in 2013. The visitors did pull a goal back in injury time through Lukas Jutkiewicz but it was too little, too late.
Managerless Blackburn secured back-to-back wins for the first time since October by overwhelming Nottingham Forest after half-time to win 3-0 at Ewood Park. Ruben Rochina put the home side ahead in the 48th minute before Jordan Rhodes and Colin Kazim-Richards applied gloss to the scoreline.
Johnnie Jackson grabbed a late winner as Charlton twice came from behind to sink in-form Watford 4-3.
The Addicks skipper struck with a header at the end of a breathless encounter at Vicarage Road to secure a first win in seven for Chris Powell's side.
Daniel Pudil's early strike put Watford ahead but Charlton hit back through Tommie Hoban's own goal and Yann Kermorgant's header, and after Almen Abdi's penalty and Alexandre Geijo's goal put Watford back in front, Kermorgant tucked in another equaliser before Jackson had the final say.
Andre Moritz brought a touch of Samba magic to Selhurst Park as Crystal Palace brushed aside Wolves with a 3-1 victory.
The Brazilian midfielder curled in a pair of stunning free-kicks to fire the Eagles to their first win in six matches. Yannick Bolasie was also on target before Sylvan Ebanks-Blake hit a consolation for Wolves.
Luciano Becchio returned to the Leeds side and immediately got back in the scoring groove as the Whites prevailed 1-0 in a dire contest with Bolton.
Brighton saw off Ipswich 3-0, with Dean Hammond, Craig Mackail-Smith and Wayne Bridge all on target for Gus Poyet's side, who came into the match having won just three of their last 17 games.
Sheffield Wednesday's fine festive form was brought to a juddering halt as Burnley claimed a deserved 2-0 victory at Hillsborough.
Keith Treacy and Ross Wallace's second-half strikes gave the Clarets a fourth away win of the season, and provided the perfect tonic to a run of just one win in seven outings for the visitors before this game.
Adam Smith's first goal for the club gave Millwall a much-needed 2-1 victory against struggling Bristol City.
Dany N'Guessan powered Kenny Jackett's men into a first-half lead before Jon Stead steered a first-time shot beyond David Forde, but City were level for just 12 minutes before Smith's match-winning volley.
Tommy Rowe's 87th-minute winner secured a 2-1 win for Peterborough against fellow strugglers Barnsley.
The hosts took a 28th-minute lead as Michael Bostwick's low free-kick found the back of the net, but Marlon Harewood deservedly equalised for the visitors with 11 minutes left, albeit in controversial circumstances.
Information from the Press Association was used in this report