Four people have been found dead at a property near Norwich, according to police.
The Norfolk force said officers forced their way into an address in Allan Bedford Crescent, Costessey, shortly before 7am following a call from a member of the public.
The bodies of four people were found inside and police believe they were all known to each other.
Enquiries are under way to formally identify them.
A cordon is in place and forensics teams are at the scene.
The major investigation is being led by detectives from Norfolk and Suffolk forces.
Detective Chief Inspector Chris Burgess said: “Our investigation is in the very early stages and this is clearly a very distressing and tragic incident.
“While we’re following a number of lines of enquiry, at this time we believe this is an isolated incident.”
He added: “I understand that news of this incident will be shocking to the local community and as soon as we can we will release more information.”
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