I couldnt find it but a friend of mine knew what I was talking about. I was off by the date though as it was from 2010 and therefore about another matter.
Apparently when the conservatives had a minority there was a controversey of some kind and when needing support from others parties to pursue something ( He is going to find the article for me but it will take a few days, he said)
one of the conditions was that the conservatives say they were at fault.