Ipswich went back level on points with second-placed Leeds in the Championship as they beat Birmingham 3-1 at home for a fourth successive win.
The Tractor Boys led through Conor Chaplin's flicked effort just past the half-hour before Jordan James equalised in first-half stoppage time.
Kieran McKenna's third-placed men secured all three points late on as Jeremy Sarmiento put them back ahead in the 81st minute and fellow substitute Omari Giraud-Hutchinson added a third in time added on at the end.
Neil Harris made a winning start to his second spell as Millwall boss as his team triumphed 2-1 at fourth-placed Southampton.
Zian Flemming scored a penalty late in the first half after Japhet Tanganga's early header for the visitors had been cancelled out by Che Adams.
Ending a four-match losing run, the result sees Millwall move up a place to 20th, a point clear of the relegation zone.
West Brom and Hull remain fifth and sixth respectively after playing out a 1-1 draw at the MKM Stadium, Darnell Furlong equalising for Albion late in the first half after Fabio Carvalho had put the hosts in front.
QPR moved out of the drop zone as they came from behind to beat rock-bottom Rotherham 2-1 at Loftus Road, the Millers' sixth loss on the bounce.
After Tom Eaves' effort gave the away side the lead at the break, QPR battled back with goals from Paul Smyth and Chris Willock.
While the R's rise to 21st, Stoke slip into the drop zone on goal difference after their 2-1 loss at Cardiff.
All the goals came in the first half, with Kion Etete and Karlan Grant scoring for Cardiff before Bae Jun-ho's reply.
Second-bottom Sheffield Wednesday are three points behind QPR and Stoke after Ike Ugbo's first-half brace gave them a 2-1 home win over Bristol City, for whom Republic of Ireland international Jason Knight netted in between.
Gardner-Hickman's corner was met by Knight, who was captaining the Robins, and the Dubliner's header looped over Beadle to level proceedings.
Wednesday had 10 men for the closing stages after Di'Shon Bernard was sent off in the 78th minute.
Sunderland crashed to a third successive loss in their first match since sacking Michael Beale, interim boss Mike Dodds overseeing a 2-1 home defeat to Swansea.
Ronald scored twice in the first half, with the Black Cats hitting back in the second through Luke O'Nien but unable to salvage anything.
Blackburn and Norwich drew 1-1 at Ewood Park in John Eustace's first home game as Rovers boss, Marcelino Nunez putting the visitors ahead and Dominic Hyam equalising.
Danny Ward's double saw Huddersfield come from behind to win 2-1 at Watford, who had led via Emmanuel Dennis.
And Middlesbrough were beaten 2-0 at home by Plymouth, with Matthew Sorinola and Ryan Hardie on the scoresheet.
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