Match ends, Scunthorpe United 2, Peterborough United 0.
Scunthorpe earned a first win in 10 games to ease their relegation concerns and dent Peterborough's play-off hopes.
Top scorer Paddy Madden set the Iron on their way, scoring from close range when the ball fell kindly in the box.
The hosts deservedly made it 2-0 after the break when Theo Robinson struck.
An injury to referee Carl Berry, who had to be replaced by fourth official Ian Dudley, did not bring a change of luck for Posh, who only threatened through two Michael Bostwick shots.
Peterborough are four points off the play-off spots while Scunthorpe are now three points clear of the drop zone.
Scunthorpe United manager Mark Robins talking to BBC Radio Humberside:
"It's a good win, a good performance and a clean sheet so I'm delighted.
"I thought we were decent. We went forward pretty well and we caused them problems. I thought the way Gary McSheffrey played today, everything good we did went through him in the first-half.
"I thought we got plenty of opportunities to get the ball in the box and we had plenty of opportunities to shoot. Some we spurned and some we turned down and then we got a scruffy goal of the type that you are hoping to get at times because you can never score the perfect goal. It was a perfect goal in terms of getting our noses in front. "
- 6CanavanSubstituted forBoyceat 58'minutes
- 28McSheffreyBooked at 71minsSubstituted forSyersat 85'minutes
- 10van Veen
- 24RobinsonSubstituted forWoottonat 90+6'minutes
- 2SmithBooked at 90mins
- 22Almeida Santos
- 25ZakuaniSubstituted forSheehanat 79'minutes
- 35BeautymanSubstituted forNorrisat 61'minutes
- 17NewellBooked at 54mins
- 14WashingtonSubstituted forMcLeanat 61'minutes
- Carl Berry
- Shots on Target
Second Half ends, Scunthorpe United 2, Peterborough United 0.
Foul by Michael Bostwick (Peterborough United).
Paddy Madden (Scunthorpe United) wins a free kick in the attacking half.
Substitution, Scunthorpe United. Kyle Wootton replaces Theo Robinson.
Attempt saved. Paddy Madden (Scunthorpe United) right footed shot from the right side of the box is saved in the bottom left corner.
Attempt saved. Kgosi Ntlhe (Peterborough United) header from the centre of the box is saved in the centre of the goal.
Attempt saved. Paddy Madden (Scunthorpe United) right footed shot from outside the box is saved in the centre of the goal.
Michael Smith (Peterborough United) is shown the yellow card.
Kevin van Veen (Scunthorpe United) wins a free kick in the defensive half.
Foul by Michael Smith (Peterborough United).
Corner, Peterborough United. Conceded by Andrew Boyce.
Attempt missed. Paddy Madden (Scunthorpe United) left footed shot from the right side of the box is too high.
Foul by Aaron McLean (Peterborough United).
Marcus Williams (Scunthorpe United) wins a free kick on the right wing.
Hand ball by David Norris (Peterborough United).
Harry Anderson (Peterborough United) wins a free kick in the defensive half.
Foul by Isaiah Osbourne (Scunthorpe United).
Attempt missed. Harry Anderson (Peterborough United) right footed shot from outside the box is too high.
Attempt saved. Theo Robinson (Scunthorpe United) left footed shot from the centre of the box is saved in the centre of the goal.