Charlton, Sheffield United and Wednesday all won while Huddersfield slipped to a 2-1 defeat at Carlisle.
Leaders Charlton returned to winning ways on Saturday with a 2-0 victory over Leyton Orient with Scott Wagstaff and Dany N'Guessan scoring in each half.
Second-placed Sheffield United remain six points behind the Addics after getting the better of Hartlepool. Ched Evans' 79th-minute penalty settled the destination of the points.
In Saturday's early kick-off, Sheffield Wednesday secured a 2-0 victory over Preston at Hillsborough to keep pace with the leading pack thanks to Gary Madine's second-half brace.
It proved to be a bad day for Huddersfield as Simon Grayson's automatic promotion hopefuls succumbed to Carlisle. Lee Novak levelled late on, but Lee Miller netted the winner in injury time.
Milton Keynes Dons are now 12 points adrift of second spot following 2-1 home defeat to Brentford. Clayton Donaldson and Jonathan Douglas netted first-half goals for the visitors.
Notts County remain in the play-off hunt after Alan Sheehan's injury-time winner gave the Magpies a 1-0 success over Oldham.
Stevenage dropped points on home soil after being held by Wycombe. Michael Bostwick gave the home side a late lead but Grant Basey's last-gasp penalty ensured the points were shared.
Rochdale thought they had edged out Walsall in a thriller only for Andy Butler's injury-time effort to secure a point in a 3-3 draw.
Bournemouth's clash with Yeovil finished goalless while second-half efforts from Efe Sodje and Giles Coke gave Bury a 2-0 success over Tranmere.
Jamie Cureton scored a late goal as Exeter secured a 1-1 draw at home to Colchester.
Scunthorpe ran riot at Johnstone Paint Trophy winners Chesterfield 4-1. Jordan Robertson bagged a brace for the Iron.