Charlton closed the gap at the top of Coca-Cola League One with a 2-1 win at bottom-club Stockport.
The Addicks are now two points off top spot after goals in either half from Sam Sodje and Scott Wagstaff secured a fourth successive league victory and saw Phil Parkinson's men take advantage of Leeds' 0-0 draw with Brentford.
County netted a consolation during stoppage-time after Adam Griffin's cross hit the bar and went in off goalkeeper Rob Elliot. Midfielder Carl Baker was then sent off after a messy brawl at the end.
Norwich moved back up into third place ahead of Colchester, who won at Brighton on Friday, as they battled back to draw 3-3 at Yeovil with a goal deep into added time from Darel Russell.
Bristol Rovers are back into the top six after they beat Swindon 3-0 at Memorial Stadium. Andrew Williams (11) and Jeff Hughes (13) put the hosts in charge, with Jo Kuffour (34) wrapping things up before the break.
Huddersfield are fifth after coming from behind to beat Gillingham 2-1. The visitors led after only three minutes through Simeon Jackson, but the hosts took command with goals from Lee Novak (40) and Jordan Rhodes (45).
Southend battled back from 2-0 down to beat Hartlepool 3-2 at Roots Hall. The visitors were cruising after Adam Boyd's eighth-minute strike and an own-goal from Anthony Grant (31). However, Francis Laurent began the fightback at the start of the second half, with Lee Barnard's brace sealing the win. Hartlepool then had substitute Ben Clark dismissed for second bookable offence.
MK Dons won 2-1 at Leyton Orient with a late goal from on-loan West Ham midfielder Nigel Quashie - their first victory in the league since the end of October. The hosts lead through Scott McGleish (17), but, with just 11 minutes left, Dean Morgan equalised before Quashie (89) snatched it with a 20-yard effort.
Steve Morison's second-half double (59 and 76) gave Millwall a 2-1 win over Walsall at the New Den while Southampton - deducted 10 points at the start of the season - continued their climb up the table with a 3-0 victory against Tranmere
Vincent Pericard netted the only goal on the stroke of half-time as Carlisle beat Wycombe, while Oldham were 2-0 winners over Exeter, Deane Smalley (51) and Paul Heffernan (58) on target.
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