Medics will wear the cameras and be able to press a button to start recording if a patient or member of the public becomes aggressive or abusive - with the film available to the police.
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Paramedics to be fitted with body-worn cameras to help curb attacks on frontline workers
Ambulance crews are to be given body-worn cameras after thousands of attacks against staff were reported last year.
Trials showed the devices reduced violence against paramedics, who also felt safer if they had something to record with.
NHS England data showed that 3,569 ambulance staff reported being assaulted in 2020 and 2021 - a 32% rise from five years previously.
The devices will be given to workers in all 10 NHS trusts in England, three years ahead of the target date.