Four people have been found dead at a house near Norwich on Friday morning, police have said.
Norfolk Constabulary 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 the force believes they were all known to each other.
Norfolk Police said the deceased quartet were from the same family after two young girls, a 45-year-old man and a 36-year-old woman were identified.
A forensic investigator outside a house in Costessey near Norwich after four people were found dead inside the property
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Detective Chief Inspector Chris Burgess, from the Norfolk and Suffolk major investigation team, 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 inquiry, at this time we believe this is an isolated incident.
“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.”
A cordon is in place and detectives from Norfolk and Suffolk police forces are leading the investigation.
Allan Bedford Crescent in Costessey near Norwich where four people were found dead inside a property.
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Formal identification has not yet taken place and forensic exams are also underway.
It is understood that police appear to be the only emergency service at the scene.
Multiple police vehicles, as well as uniformed and plain-clothes officers have been seen outside the property.
Allan Bedford Crescent, which is currently cordoned off, is part of a housing estate in Costessey, just outside Norwich.
A forensic investigator outside a house in Costessey near Norwich after four people were found dead inside the property
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The police have not issued any appeal for help at this time.
"The road has been sealed off with police tape and you can't get down there", a resident who wished not to be named said, speaking to the BBC.
He continued: "I spoke with the officers at the cordon and they said it was likely to be there for most of the day, but they would not tell me anything more than that."
The resident also said police were not allowing people to leave their homes.
Police outside a house in Costessey near Norwich after four people were found dead
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Another resident, Daniel Seeley, said he was "absolutely shocked" by the news, and told the BBC that "things don't happen around here like this".
A 32-year-old man who lives on an adjoining road said he saw the cordon when walking his dog at "about 8am", speaking to the Norwich Evening News.
He said: "This is a very quiet neighbourhood and I've never seen anything like this before here.
"This is something like you see on the TV I suppose, so it all seems a bit surreal."
