Wolves took the game to the visitors right from the start and their pressure paid off after 30 minutes when Iwelumo rifled home a right-foot drive from just inside the box.

Iwelumo, who played for Scotland in their 1-0 defeat to Argentina in midweek, then tapped in a Michael Kightly cross on 66 minutes to pick up his 13th of the season and put more light between his side and Birmingham at the top of the table.

Reading’s unbeaten home run was ended by Southampton who ran out 2-1 winners at the Madejski Stadium thanks to a Bradley Wright-Phillips double.

Wright-Phillips met a brilliant Lloyd James cross at the back post to give the Saints a surprise lead before he doubled their advantage with a 20-yard bullet on 49 minutes.

Jimmy Kebe pulled one back for Reading eight minutes later after Kelvin Davis spilled a Kevin Doyle shot but the Saints held on to pick up their first win in three.

Pressure is mounting on Alan Pardew after he saw his side pummelled 5-2 by Sheffield United at The Valley.

James Beattie got the Blades on their way with his eighth of the season before Linvoy Primus put the Addicks back on terms.

Gary Speed put the visitors ahead before Matthew Kilgallon added another in first-half injury time with a delightful lob. Kelly Youga’s own goal then put United 4-1 up before Stephen Quinn screamed a left-foot volley past Nicky Weaver for United’s fifth.

Hameur Bouazza then got a consolation for the Addicks, who now drop into the relegation zone.

Paulo Sosa’s life as QPR manager got off to a terrible start with a 3-0 hammering by Watford at Vicarage Road.

Tommy Smith and Darren Ward put the Hornets ahead before Lee Williamson’s long-range effort on 45 minutes killed off QPR who had Fitz Hall sent off late on for a bad challenge on Will Hoskins.

Crystal Palace picked up their first win in seven by hammering Bristol City 4-2 at Selhurst Park.

John Oster, Sean Scannell, Craig Beattie, Jose Fonte were on target for Neil Warnock’s side while Dele Adebola and substitute Nicky Maynard bagged for City.

Preston picked up their seventh home win of the season after overcoming Barnsley 2-1 thanks to goals from Richard Chaplow and Sean St. Ledger.

Doncaster played out a goalless draw with Burnley at the Keepmoat while Plymouth ran out 2-1 winners over Cardiff at Home Park thanks to goals from Emile Mpenza and Paul Gallagher.

Strike partners Paulo Counago and Jonathan Walters scored for Ipswich as they beat Derby 2-0 at Portman Road while Sheffield Wednesday suffered only their second home defeat of the season as they went down 1-0 to Coventry thanks to a Clinton Morrison strike.