Sky Bet League Two high-fliers Plymouth and Portsmouth could not be separated as they played out an entertaining 2-2 draw at Home Park.
Argyle, who started the day five points clear at the top of the table, went in front after 21 minutes when Graham Carey's free-kick was met by a diving header from Yann Songo'o.
Kyle Bennett equalised before the break after good work from Conor Chaplin and Portsmouth thought they had snatched victory with four minutes remaining when a thunderous volley from Danny Rose crashed in off the underside of the crossbar.
But there was still time for Plymouth to earn a point through Connor Smith's calm finish.
Doncaster closed the gap on the leaders to three points with a 1-0 win against Colchester.
Tommy Rowe scored the winner with the last kick of the first half, neatly chipping the goalkeeper.
Carlisle equalled a club record as they made it 13 games unbeaten with a 3-2 win against Hartlepool.
Cumbrians striker Jabo Ibehre turned in the opening goal from Shaun Miller's low cross, but the latter was sent off in the 56th minute, lunging in on Jake Carroll to receive his second yellow card.
Pools levelled 10 minutes later through a Lewis Alessandra strike, only for Danny Grainger to restore 10-man Carlisle's lead two minutes later with a stunning 25-yard effort.
Hartlepool were level again shortly afterwards when Padraig Amond slotted in, but Michael Raynes headed home from a corner and Carlisle held on.
Luton moved up to fourth with a 2-1 win at Leyton Orient.
Cameron McGeehan tapped home the loose ball after Jack Marriott's shot had been saved to give the Hatters a 30th-minute lead and Danny Hylton added a second with 15 minutes remaining.
Ollie Palmer pulled one back with an effort which went in off a post, but Orient could not find an equaliser.
Romy Boco scored two goals in the last two minutes to snatch Accrington a 2-1 win against Blackpool, who had taken an 81st-minute lead through Michael Cain's free-kick.
Tom Eaves scored the only goal of the game as Yeovil ensured new Newport boss Graham Westley got off to a losing start.
James Berrett's header earned Grimsby a 1-0 win at Cambridge, while the game at Meadow Lane sparked into life 10 minutes from time as Jonathan Forte's low strike put Notts County ahead only for Crewe to make it 1-1 60 seconds later through Alex Kiwomya's first-time effort.
Exeter eased the pressure on manager Paul Tisdale with a crushing 4-1 win at Barnet.
John Akinde headed in the opener for the Bees - his eighth goal of the season - but the visitors were back on level terms just before the break as Jake Taylor thumped home.
The Grecians took an early second-half lead as Lee Holmes fired in from a superb flick by Reuben Reid and, after David Wheeler extended their advantage with a close-range strike, Reid added a fourth from the penalty spot.
Cheltenham held on for a 2-1 win against Crawley with goals from Billy Waters and Jack Munns, while in-form striker Matt Green earned Mansfield a point in a 1-1 draw at Wycombe and Stevenage were 2-0 victors at Morecambe.