A 24-year-old man has been arrested after human remains were found in two suitcases in Bristol and a flat in west London.
There was a manhunt following the discovery of body parts, but police are now not looking for anyone else in connection with the incident.
The man was detained by armed police at Temple Meads station in Bristol in the early hours of Saturday and taken into custody.
He will be taken to London for questioning later this Saturday.
Researchers believe that remains found at address in Shepherd’s Bush are linked to these found in two suitcases dumped near Clifton Suspension Bridge on Wednesday.
Deputy Commissioner Andy Valentine said: “This is a significant development in our investigation and I would like to thank the public for their support.
“We understand the concerns of local communities in both Bristol and London and officers will remain in the Clifton and Shepherd’s Bush areas over the next few days to reassure those affected by this tragic incident.
“Anyone with any concerns is encouraged to speak to them.”
There are believed to be two male victims, although formal identification has not yet taken place, according to Scotland Yard.
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A 36 year old man arrested in connection with the investigation in Greenwich on Friday was released without charge.
That comes later Bristol officers were alerted to reports of a Man caught acting suspiciously on Clifton Suspension Bridge just before midnight on Wednesday, with a “tattered” suitcase leaking blood.
The suspect fled leaving his luggage behind after being questioned by the public.
Police arriving at the scene a short time later discovered that the suitcase, along with a second located a short distance from the bridge, contained human remains.
A taxi was also seized as part of the investigation and its driver was questioned.
The Clifton Suspension Bridge reopened on Thursday evening after council cleaning crews attended the scene.
The Grade I listed landmark, which spans the Avon Gorge, was designed by famous Victorian engineer Isambard Kingdom Brunel and opened in 1864.
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