Cardiff midfielder Riccardo Scimeca snatched a late winner at Crystal Palace to increase his side's lead at the top of the Coca-Cola Championship to six points.
Scimeca fired home six minutes from time to seal a 2-1 win after Stuart Green had rounded Neil Alexander to cancel out Michael Chopra's second-minute opener.
Two early goals were enough to propel Burnley up to second as Hull slipped to the foot of the table.
Michael Duff and Gifton Noel-Williams both netted unchallenged headers inside the opening 13 minutes to complete a 2-0 win.
Birmingham drop from second to sixth after David Bell came off the bench to hand Luton a 3-2 victory at Kenilworth Road.
Dudley Campbell turned in Gary McSheffrey's cross to put Blues ahead, but Rowan Vine struck twice in a minute, the first from the spot, to put the home side 2-1 up.
Neil Danns levelled for the visitors but Bell had the final say nine minutes from time.
West Brom put on a show for incoming boss Tony Mowbray by romping to their first away win in nine months at Ipswich.
Kevin Phillips netted a hat-trick and Diomansy Kamara grabbed a brace in a 5-1 success.
The Baggies actually scored all six goals in the match after Chris Perry's own goal cancelled out Kamara's opener.