It doesn't look like you read the full twitter thread? The officer called for backup BEFORE the altercation. Then an officer tried to take his stick from him:
Two uniformed officers responding to reports of a disturbance in Potton at around 5am on Friday initially approached the wrong address by mistake.
As they walked away from the property, they were approached in the street by a resident holding a wooden implement.
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The two officers at the scene called for back-up and several other units attended for support.
All these officers were in full uniform and in marked police vehicles.
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Before further units arrived, an altercation ensued where one of our officers tried to take the wooden implement from the resident, during which she sustained a cut to her face.
A man in his 80s was arrested on suspicion of assault on an emergency worker.
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He was taken into custody for a brief period and has since been released under investigation, while we assess the evidence.
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Detective Chief Superintendent Julie Henderson from Bedfordshire Police said: “We understand the concerns regarding this incident and are carrying out our own internal review.
“We have also voluntarily referred ourselves to the Independent Office for Police Conduct...
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(cont.)... for full openness and transparency and to ascertain if there is any learning to be taken forward.
“Over the coming days the welfare of all those involved will be our primary concern.”
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