New Hampshire house explodes after policeman is shot dead
13 May 2014 Last updated at 11:25 BST
A policeman has been shot dead by a man who was later killed in a house fire, according to authorities in New Hampshire.
Stephen Arkell was responding to a domestic dispute at the property in Brentwood when he was fatally shot.
The suspected gunman Michael Nolan is believed to have died in the ensuing blaze at the property.
David Eades reports.