The Nunda Fire Protection District reported that a man was injured after being struck in the head by a firework in Crystal Lake on Saturday night.
At 9:16 p.m., authorities responded to the 1300-block of Beach Street.
A man was discovered with serious injuries after authorities believe a firework mortar hit him in the face and exploded.
A medical helicopter was requested but was not available due to inclement weather.
The man was taken by ambulance to Northwestern Medicine McHenry Hospital.
The McHenry County Sheriff’s Office is currently investigating the incident.