The Deputy Prime Minister Nick Clegg has given his response to David Cameron's speech on the welfare system.
Speaking during a visit to Sheffield's Children's Hospital, Mr Clegg said: "David Cameron was speaking as a leader of the Conservative Party about his own personal ideas about the kind of things he would like to see happen after 2015.
"He is entirely free to do so, as is any leader of any political party."
More top news
Freezing as temperatures fall
The royal couple ended a trip to the North East by visiting the new Northern Spire bridge, which stands twice as high as Nelson's Column.
A review has launched over concerns about the pregnancy test drug Primodos, vaginal mesh implants and anti-epilepsy drug sodium valproate.