Three serving Derbyshire Police officers were taken to hospital after the riot training exercise.
The county's chief constable says it has taken the matter "very seriously" and "learned the lessons from this failure".
Force fined after police officers injured by petrol bombs during riot training gone wrong - Four officers suffered burns to ...
LAUREL, Md. (AP) — The car jolted as protesters pounded on its windows, boxing in the lawmaker trapped inside. Within seconds, officers in full riot gear surged forward in formation, yanking open the ...
Police officers scarred for life following riot training drill - ...
Derbyshire Constabulary has been fined £60,000 after officers were injured when riot training went wrong.
Riot training exercise in South Yorkshire left several officers burned ...