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England | Derbyshire Police prosecuted for failing to protect officers

Antonia Maddocks

2 min read

UK Police in a training session with high visibility uniform

HSE | Derbyshire Police has been fined £60,000 after several of its officers were injured when a riot training exercise went wrong.

Four serving police officers suffered burns after petrol bombs were thrown at them during the simulated exercise at a training facility in Rotherham on 2 February 2021.

The HSE’s investigation into the incident found that the officers had been exposed to significant and avoidable risks during the exercise.

Officers wearing flame-retardant personal protective equipment (PPE) had been required to face petrol bombs thrown by other officers as part of a training drill intended to replicate a public disorder situation. 

However, it resulted in four of the 13 officers taking part sustaining burns to their lower bodies, three of whom required hospital treatment. All four have since returned to work, but the incident resulted in permanent scarring, and psychological harm, which will have a lasting effect.

The HSE investigation found that Derbyshire Constabulary had failed to properly plan and risk assess the exercise. It found failures to:

  • Give officers adequate information on the lifespan, care, and inspection of the flame retardant PPE to ensure it provided adequate protection.
  • Carry out a suitable and sufficient risk assessment for both the production and deployment of petrol bombs during the training.
  • Implement safe systems of work to control the foreseeable risks created in the course of petrol reception training.

Derbyshire Constabulary of Butterley Hall, Ripley, Derby, pleaded guilty to breaching Section 2(1) of the Health and Safety at Work etc. Act 1974. They were fined £60,000 and ordered to pay £9,470 in costs.

After the hearing, HSE Inspector Jennifer Elsegood, said: “Being a serving police officer is a job that carries with it levels of risk, however while preparing officers for dangerous situations is important, it must never come at the expense of their safety.

“High‑risk training activities must be planned and controlled with the same care and professionalism expected in any other workplace. The risks created by the training should have been identified as part of the Constabulary’s risk assessments and appropriately controlled.

“We hope this case reinforces the importance of thorough risk assessment, robust equipment assurance, and safeguarding those who put themselves forward to protect the public.”

This HSE prosecution was brought by senior enforcement lawyer Robert James and paralegal officer Rebecca Withell.

– Accurate at time of publication | January 2026

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