They were attacked whilst putting out a fire.
Derbyshire Police are asking for information after an assault on Emergency Service staff in North Wingfield.
In a social media post, the force has released details of the incident, and requested anyone with information to come forward;
"On Friday 12th April 2019 between 21:45-22:10 hours our colleagues from Derbyshire Fire and rescue attended the report of a fire at the Skate park at North Wingfield. Whilst dealing with the fire, a group have attacked the Fire Fighters whereby, two have been punched and struck with bottles. One of the fire fighters required hospital treatment.
"This is not acceptable and we will making enquiries in and around the area today."
If you have any information regarding the assaults of Emergency service personnel, please contact Derbyshire Constabulary on 101 or contact crime stoppers on 0800555111, quoting Crime Ref:- 19000187438