Five much radical person been arrested successful an probe into a wrong-way clang connected the A66 successful Middlesbrough which killed 7 people, including 2 constabulary officers.
Cleveland Police said a 16-year-old boy, 18-year-old antheral and 21-year-old antheral were arrested connected suspicion of participating successful an organised transgression group. A 55-year-old antheral was besides arrested connected suspicion of assisting an offender and a 23-year-old antheral connected suspicion of making threats to kill.
All 5 stay successful custody.
Twelve arrests had already been made, bringing the caller full to 17.
PC Tom Clough, 38, and PC Matthew Blades, 37, died successful the crash, arsenic did Michael Robert Cahill, 23, Jacob Matusiak, 23, Makai Saddington, 18, Theo Rae, 17, and 17-year-old Cole Robert Worthy.
All 7 were killed erstwhile a Volkswagen Passat, going the incorrect mode down the A66 astatine South Bank, adjacent Middlesbrough, deed a Cleveland Police equipped effect conveyance heading successful the other absorption astatine 03:39 BST connected Saturday.
Officers had been pursuing the car for astir 7 minutes aft it was connected to earlier alleged transgression activity, but the pursuit was abandoned 10 seconds earlier the clang erstwhile the Passat turned connected to the dual carriageway, the Independent Office for Police Conduct (IOPC) said.
On Monday, the unit said it received respective reports of 2 vehicles "being driven dangerously" connected Saturday morning
The archetypal vehicle, believed to beryllium a Volvo XC60, was seen "ramming properties" successful the Middlesbrough country portion the 2nd vehicle, a Passat, is believed to person been associated with this activity.
Both vehicles were operating with cloned fig plates but were picked up by automated fig sheet designation technology.
Nine men and 3 women, aged betwixt 19 and 61, were arrested crossed Teesside connected Monday implicit suspicion of a scope of offences, including possession of a firearm and being portion of an organised transgression group.
Two men person since been charged arsenic portion of the investigation.
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