10:37am, Tue 29 May 2012 Derby house fire arrests Last updated Tue 29 May 2012
Detectives investigating a fire in which six children died have arrested two people on suspicion of murder, police said.
A 55-year-old man and a 31-year-old woman, who are from Derby, were arrested this morning, Derbyshire Police said.
They added that they are in custody and will be questioned by officers in due course.