Wolves went seven points clear at the top of the Coca-Cola Championship with a 1-0 victory over Doncaster as Reading won at Birmingham to go second.
The leaders had been frustrated by a resolute Doncaster before they finally broke the deadlock with nine minutes remaining when defender Neill Collins headed in Michael Kightly's cross.
Reading moved up to second above Birmingham with a deserved 3-1 win at St Andrews.
The Royals took the lead through Noel Hunt's first-half free-kick, Kevin Phillips levelled the scores with a fine finish after a solo run but Kevin Doyle hit Reading's second with a delicate header from a Stephen Hunt free-kick.
The visitors wrapped up the three points when Kalifa Cisse headed in Doyle's deep cross eight minutes from time.
Norwich eased their relegation worries as their 1-0 home win, thanks to Leroy Lita's goal on the hour, kept Charlton in the bottom three.
Strugglers Nottingham Forest did their survival chances a power of good with a 2-0 win at Southampton.
Wes Morgan gave Forest the lead with a close-range header from Chris Cohen's cross just before half-time and the visitors made the points safe through Joe Garner.
Martin Paterson and Steve Thompson scored as Burnley won 2-1 at Bristol City to move within four points of Birmingham.
Nicky Maynard had opened the scoring for Bristol City in the 52nd minute when he converted from the penalty spot after Clarke Carlisle was penalised for a foul on Stern John.
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