Two female passengers were killed when the car they were travelling in plunged into undergrowth at the side of a road in Swindon, police said.
Another three male passengers are being treated in hospital with injuries, and two of them have been described as being "very poorly". All were aged 19 or 20 years.
Police received a report from another driver, who saw the car leave the road, at around 5am this morning. They found the grey Renault Clio some 20 metres from the A419.
Wiltshire Police are appealing for witnesses to call 101 and ask for PC Kevin Fry of the Serious Collision Investigation Team.
The family of a walker who died after being trampled by a herd of cows say they are devastated by his death.
Mike Porter and his brother where attacked by the animals as they walked through a field near Turleigh in Wiltshire on Monday. His brother is in a serious condition in hospital.
In a statement the family said "We are in shock and devastated by the loss of our lovely Mike. He leaves Adrienne and their two sons and a very large group of friends who are devastated by the loss of such a lovely and caring person".
A 66-year-old man has died after he was trampled by a herd of cattle in Wiltshire.
It's understood the man and his elderly brother were walking their dog through fields near Turleigh on Monday, when something spooked the cows and they stampeded.
Both men were able to escape from the field but suffered serious chest injuries. The 66-year-old died later in hospital.
Wiltshire Police have confirmed that the body of a former inspector with the force was discovered at a property in Devizes.
Concerned neighbours raised the alarm after hearing gun shots at the house on Saturday morning.
On arrival the bodies of a man and a woman were found who appear to have sustained gunshot wounds.The Major Crime Investigation Team are conducting an investigation into the circumstances of their deaths.
The deceased man has been formally identified as William Harold Dowling (known as Bill) aged 59 from Moonraker Estate, Devizes. Bill was an ex Wiltshire Police Inspector who retired from the force in January 2007.
The families continue to receive support from our specialist officers and ask that media respect their privacy. Our thoughts are with the families at this very sad time.
Wiltshire Police have issued a statement thanking the community in Devizes for their support as they continue to investigate the deaths of a former officer and his partner.
News of these tragic deaths will have been a shock to the community and our thoughts are with the families and friends of the two people involved. I would like to reiterate that this is an isolated incident and reassure members of the community that Devizes is a safe place. I would like to thank residents for their understanding as there will be an increased police presence on the estate as officers continue to conduct vital enquiries.
Forensic officers are conducting a search of a property in Devizes, Wiltshire where the bodies of a former policeman and his partner were discovered yesterday.
A police spokesperson said they hoped to release the identities of the deceased later this afternoon.
A firearm was recovered at the scene where a retired police inspector and his female partner were found dead on Saturday morning in Wiltshire, police have said.
Detective Chief Inspector Ian Saunders from Wiltshire police has said: "The investigation continues to try and establish what led to this tragic incident.
"We have recovered a weapon from the scene. My working assumption is that weapons were discharged and the victims had sustained some form of gunshot wounds."
Post-mortem examinations will be carried out today.
Officers are not looking for anybody else in connection with the shootings, which happened on Moonrakers estate in Devizes.
A man found shot dead along with a woman at a property in Devizes was a retired police inspector with 30 years' service, Wiltshire Police has said.
The pair were found dead at a property in Wiltshire yesterday morning after neighbours alerted the police having heard gunshots.
Detective Chief Inspector Ian Saunders said the man, who has not been named, retired about five or six years ago.
We can confirm that at shortly before 11:00 am on Saturday 2nd March 2013, officers were called to a property at Moonrakers Estate, Devizes.
On arrival the bodies of a man and a woman were found. An investigation into the circumstances of their deaths is under way.
This is an isolated incident and have no reason to believe that anyone else is at risk.
The families have been informed but formal identification of the deceased has not yet taken place.
The spokesman said a post-mortem examination was still to take place, but that both victims appeared to have sustained gunshot wounds.
A man and woman have been found shot dead at a property in Wiltshire, police have confirmed.
The bodies were found when police were called to a home on the Moonrakers Estate in Devizes yesterday morning.
The families have been informed but formal identification of the deceased has not yet taken place, Wiltshire police said.
A spokesman said a post-mortem examination was still to take place, but that both victims appeared to have sustained gunshot wounds.