Pictures show scale of emergency responsepublished at 13:41 British Summer Time
Sophie Cridland
大象传媒 South, in Swanage
Three people have been found dead after an incident at a Dorset care home, police say
The deaths at the Swanage home are being treated as "unexplained"
Four other people have been taken to hospital as a "precaution"
The other residents of Gainsborough Care Home have been evacuated to a nearby church
Police, fire and ambulance crews are attending - as well as gas company Southern Gas Networks (SGN)
A local councillor says there is a "suspicion" the deaths "could be attributable to carbon monoxide but it has not been proven"
Edited by Sue Paz, written by Emily Ford and Toby Wadey
Sophie Cridland
大象传媒 South, in Swanage
Here's more on that statement from a Dorset Police spokesperson: "Other residents of the address have been evacuated to a safe location as emergency services respond to the incident.
"There remains a significant multi-agency presence in place at the address and a cordon remains in place as we work with partners to carry out further enquiries. At this time there is nothing to indicate any risk to the wider public.
Quote MessageWe understand this incident will have a significant impact on the Swanage community and our thoughts are very much with the families of those who have sadly died at this extremely difficult time."
Dorset Police spokesperson
Councillor Gary Suttle called the Gainsborough Care Home incident a "tragic event".
The Dorset councillor said: "Our condolences and sympathy are with those who have lost their lives."
He added the other residents were "safe and going to be relocated".
Mr Suttle said residents of the care home were initially taken to All Saints Church, near the scene in Ulwell Road, and would now be moved to other placements.
He spoke of local residents "kindly" coming into the church bringing blankets in acts of "great community support".
He added: "We hope the fire brigade will be able to confirm the building will be safe to enter in about 30 minutes."
A statement from Dorset Police said officers were called at about 07:15 BST after three people were "found deceased" at the care home in Ulwell Road, Swanage.
A force spokesperson said the deaths were being treated as "unexplained" and an investigation has been launched.
"Inquiries are being carried out to establish the full circumstances and we are continuing to liaise with our partner agencies," they continued.
"The families of those who have died have been informed and the coroner has been notified."
Four other people have been taken to hospital as a precaution, they added.
Three people were found dead at the care home this morning, police have confirmed.
Sophie Cridland
大象传媒 South, at the scene in Swanage
Two ambulance crew have just taken someone from the All Saints Church, where the care home residents were evacuated to, to an ambulance.
They are thought to be one of the residents.
Sophie Cridland
大象传媒 South, at the scene in Swanage
Residents of the care home have been evacuated to the nearby All Saints Church.
The emergency services are taking medical equipment and beds inside.
There are a number of ambulances, equipment support unit vans and a Southern Gas Network Van parked outside the church.
Dorset Police officers are also present.
Residents have been seen carrying in bacon rolls and other foods wrapped in tin foil.
People living on Ulwell Road, where the care home is situated, saw residents being evacuated amid a heavy emergency services presence.
One man, who did not want to give his name, told the PA news agency: "They have taken all the patients out but the emergency services are still on the scene."
He said he saw some residents being evacuated in wheelchairs.
He believed emergency services arrived about 07:00 BST and started to see people being moved out about 90 minutes later.
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Gainsborough Care Home is located in the heart of Swanage.
It is run by Agincare, a national provider managing more than 20 facilities across the country.
Gainsborough has 48 bedrooms and cares for elderly people, some of whom have dementia.
The home's website says it provides "a safe and homely environment within a real village community".
Agincare has been approached for comment.
This footage - a walk along Ulwell Road - shows the extent of the emergency response.
A spokesperson for gas network company, SGN, has confirmed engineers were called to the care home this morning.
Katie Lobban said SGN was working in its capacity as the National Gas Emergency Service for the south of England.
She added: "Our engineers are waiting for access to the building to complete safety checks.
"Our thoughts are with everyone who has been affected by this tragic incident."
We are yet to receive any information from Dorset Police but the force has been approached for comment.
A woman has described seeing multiple emergency vehicles arriving at the scene via ferry.
Resident Patricia Garnel said "they keep coming" and that she had also seen more police cars go past.
"There鈥檚 more ambulances waiting to get in the ferry," she added.
The Sandbanks Ferry is usually the fastest way to reach Swanage and Purbeck from the Poole and Bournemouth area.
Emergency vehicles, including fire, ambulance and police, have been seen on and around Ulwell Road in Swanage. A welfare tent can also be seen as well as emergency services workers.
A spokesperson for the South Western Ambulance Service NHS Foundation Trust (SWASFT) said: 鈥淲e were called at 05:20hrs on Wednesday 23 October to an incident at a care home in Swanage.
"We sent a Hazardous Area Response Team, ten double-crewed land ambulances, as well as a significant number of additional resources.
"Two patients were conveyed by land ambulance to Poole Hospital.鈥
Dorset and Wiltshire Fire Service said crews were called to the scene at 07:47 BST.
Group manager Neil Tidball said: "We currently have four fire crews on scene from Swanage, Wareham, Westbourne, Poole, a support vehicle from Dorchester, along with two crews from Winchester.
"Firefighters are working with Dorset Police, South West Ambulance Service and other partners to resolve this incident."
Police, fire and ambulance crews are dealing with an incident at a care home in Swanage.
Multiple emergency vehicles are at the scene outside the Gainsborough Care Home in Ulwell Road.
Southern Gas Networks is also there and the road has been closed.
Bus services are being diverted.