Murder at the mansion

An aerial view of the remains of the Foster family home, Osbaston House in Maesbury, Shropshire Photograph: PA

Kirstie Foster, 15, her father, Christopher, and her mother, Jill, whose bodies were found among the burnt-out ruins of Osbaston House Photograph: PA

The Foster family's luxury cars were incinerated in the fire Photograph: PA

Forensics officers comb the grounds of Osbaston for clues Photograph: PA

A handwritten letter left outside the family home Photograph: PA

A charred lamp seen through a broken window Photograph: PA

A burnt-out Range Rover believed to belong to the Fosters Photograph: PA

All that was left of Osbaston House was a charred shell Photograph: PA