Shocking bodycam footage shows the moment police officers were attacked gang of yobs launching more than a dozen fireworks.
Officers were out on patrol when they came under fire from rockets and were forced to retreat.
Hooded youths were heard cheering as they launched volley after volley at the van and stunned witnesses looked on in disbelief.
The incident is said to have happened in the Firth Park area of Sheffield on Thursday, October 31.
Video of the attack was posted on social media on Friday, Novemebr 1 and has gone viral with more than 100,000 views.
It shows the police van stopped in the middle of the road as it comes under fire from all angles.
Rockets are seen hitting the windows and windshield and deflecting away as sparks fly.
A youth filming the action on his mobile phone cries: "What the...? Whoa."
As the barrage intensifies, the officers decide to pull away to safety before the footage cuts out.
A second video filmed in Firth Park Road shows laughing youths launching fireworks at businesses.
Police responded to a disturbance in the area and recovered fireworks but no arrests were made.
Buses were also cancelled after being pelted by eggs, the Sheffield Star reported.
A South Yorkshire Police spokesman said: "Neighbourhood officers were patrolling in the Firth Park area of Sheffield at around 6pm on October 31 when they came across a group of people setting off fireworks in the direction of vehicles.
"Officers recovered an amount of fireworks from Firth Park and a neighbouring road.
"Officers remained in the area throughout the evening to ensure public safety. No arrests were made."
Superintendent for Neighbourhoods Delphine Waring added: "Our officers were deployed in the Firth Park area when they came across around 30 people setting off fireworks in the street.
"This type of activity puts members of the public at risk and is absolutely not acceptable, especially when it's disrupting people going about their daily lives and running their businesses."
