Brighton enjoyed a 2-1 win over Oldham at the Withdean Stadium thanks to a last-minute goal from Francisco Sandaza and now top the League One table.
Peterborough United won their local derby 2-1 against MK Dons at London Road, thanks to a second-half winner from Aaron McLean.
Craig Mackail-Smith had put the Posh ahead in the 36th minute, only for Dean Lewington to level a minute later.
The only other team to have begun the day level on points with the Seagulls at the start of the day were Huddersfield, but the Terriers suffered late drama of their own.
Sean Morrison netted a goal for Swindon in added time as the Robins enjoyed a 1-0 win over Huddersfield at the County Ground.
Another of the sides at the top-end of the table coming into today's games were Carlisle, but the Cumbrian side suffered a 2-0 defeat on the south coast at Bournemouth thanks to strikes from Ryan Garry and Michael Symes.
Will Hoskins grabbed a brace for Bristol Rovers in their 2-1 home win over Notts County, while Richard Logan also managed two goals in Exeter's 3-1 away win at Yeovil - a victory that moved them up to eighth place in the table.
In the London derby at The Valley, Jon Nurse scored a goal in the 93rd minute to salvage a point for Dagenham & Redbridge against Charlton, who had scored just two minutes earlier through the head of Jonnie Jackson.
Lee Barnard scored the first goal of Nigel Adkins' reign at Southampton in a great 1-0 away win at Sheffield Wednesday, while Rochdale and Plymouth played out a 1-1 draw.
In the other two games in League One, Colchester defeated Tranmere 3-1 and Hartlepool enjoyed a 2-1 victory over Walsall at Victoria Park.