Huddersfield slipped out of the npower League One automatic promotion places despite a dramatic injury-time equaliser to salvage a 1-1 draw at home to Peterborough.
The Terriers were headed for defeat following Grant McCann's first-half penalty - especially after Gary Roberts was denied an equaliser from the spot by Joe Lewis in the 84th minute - but teenager Jack Hunt drove home from 18 yards to earn a point for the Yorkshire outfit.
However, it was not enough to stop them slipping to third as they were leapfrogged by Southampton. Saints enjoyed a straightforward 2-0 win away to Leyton Orient to move second by virtue of their vastly superior goal difference. Rickie Lambert headed in before Lee Barnard made sure of the win.
Leaders Brighton extended their advantage to 13 points with a 2-0 win at home to Sheffield Wednesday. Chris Wood's penalty on the stroke of half-time broke the deadlock and Elliott Bennett smashed in a second for Albion, who had Gordon Greer sent off late on for violent conduct.
Adam Clayton struck three minutes into added time to help MK Dons to a 3-2 win at home to Carlisle. The hosts had trailed 2-1 after James Berrett's 69th-minute penalty but Angelo Balanta's header set the stage for Clayton's dramatic late winner as the Dons closed the gap to fourth-placed Peterborough to three points.
Sixth-placed Bournemouth suffered a surprise 2-1 defeat at home to struggling Tranmere. The Cherries' Danny Ings levelled in added time after Ian Goodison put Rovers ahead, but Adam McGurk hit a thrilling winner for the visitors with nearly four minutes' injury time played.
Yannick Bolasie and Rory Patterson scored for bottom side Plymouth as they beat relegation rivals Walsall 2-0, while second-bottom Swindon picked up their third away win over the season through Calvin Andrew's goal but remain five points off safety.
Dagenham pulled themselves up to 19th from 21st with a 3-1 win at home to 10-man Notts County, who slipped into the bottom four. John Akinde and a Danny Green brace put the Daggers in charge, with Njogu Demba-Nyren netting for County. Green's first came from a 40th minute free-kick after Graeme Lee was dismissed for a professional foul.
Bristol Rovers dropped to 20th as Daniel Nardiello's double gave Exeter a 2-0 away win against their west country rivals.
A mid-table stalemate at Boundary Park saw Oldham and Charlton draw 0-0 while Hartlepool won 3-1 at home to Yeovil, with Adam Boyd, Sam Collins and Colin Larkin on target after Jon Obika's opener. Colchester beat Rochdale 1-0 thanks to a late goal from Ian Henderson.
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