• Remains of firework found behind front door • Tributes paid to woman who died after saving son
Police in Cornwall todayappealed for more information after calling on the people involved in a firework-related house fire that killed a woman to "do the decent thing and come forward".
Mary Fox, 59, died after helping her youngest son, Raum, 17, who has learning difficulties, to jump to safety from an upstairs window but was overcome by the blaze before firefighters could save her.
Firefighters arrived within minutes of a 999 call at around 7.15pm on Thursday and found Fox dead in the room from where her son had escaped.
After leaping from the three-storey house, Raum ran to alert neighbours that his mother was still trapped inside.
He was taken to Treliske hospital where he was treated for smoke inhalation and is now staying with his eight brothers and sisters.
Police began the investigation after the remains of a firework were found behind the front door of the home in Bodmin.
Detective Chief inspector Paul Burgan, of Devon and Cornwall police, said : "We've received