
Two ambulance service workers have been arrested on suspicion of manslaughter as part of a major investigation into the deaths of six people in Wiltshire.
The two-year inquiry was launched in 2023 and saw a man in his 30s arrested last year on suspicion of gross negligence manslaughter and four counts of ill-treatment or wilful neglect by a care worker.
A 59-year-old woman was also arrested on suspicion of gross negligence manslaughter in March this year.
Both suspects, who were employed by the South Western Ambulance Service NHS Foundation Trust (SWASFT), remain on conditional bail.
Detective Chief Inspector Phil Walker, from Wiltshire Police’s major crime investigation team, said: ‘We can confirm that a major investigation is under way relating to several adult deaths in and around Wiltshire.
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‘This investigation has been ongoing since an initial report was made to Wiltshire Police in 2023 and detailed inquiries have been undertaken since to ascertain the facts.’
Mr Walker, who is leading the investigation, said: ‘In June 2024, we arrested a man in his 30s from West Wiltshire on suspicion of six counts of gross negligence manslaughter and four counts of ill-treatment or wilful neglect by a care worker.
‘In addition, in March this year we arrested a 59-year-old woman on suspicion of gross negligence manslaughter.
‘Both have been released on conditional bail while our inquiries continue.
‘Our focus is on supporting the families and loved ones of those who have died, and we would ask the media to respect their privacy at this time.’

A South Western Ambulance Service NHS Foundation Trust spokesman said: ‘As soon as the trust became aware of any concerns, we immediately initiated an internal investigation which resulted in a prompt police referral, and we have been working closely with them as part of the ongoing investigation.
‘Two members of staff were suspended.
‘The suspension of the two members of staff meant that they were immediately relieved of all duties, including the treatment of patients.
‘We would like to reassure people that this is an isolated situation and there is no ongoing risk to patients.
‘Please continue to call 999 in a life-threatening emergency.
‘One of the two individuals that were initially suspended is no longer employed by the trust.
‘Due to the ongoing investigation, there will be no further comment at this stage.’
The trust’s last inspection by the watchdog Care Quality Commission found the organisation to be ‘good’.
The report stated: ‘Our rating of the trust improved. We rated it as good overall because: Caring was rated as outstanding.
‘Effective, responsive and well-led were rated as good. Both effective and well-led improved from requires improvement at our 2016 inspection with responsive remaining as good.
‘Well-led at trust level was rated as good. However, safe remained as requires improvement.’
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