A teenage girl accused of murdering a mother and daughtertold police she and her co-accused had felt like killing them for “quite a while”, a court has heard.

The girl, who was aged 14 at the time of the alleged murders, also told officers she was “relieved” once the victims were dead.

Elizabeth Edwards, 49, and her 13-year-old daughter Katie, were found dead at their home in Spalding in Lincolnshire in April.