Police are trying to identify a group of thugs who dropped concrete blocks and bricks onto a dual carriageway - causing a crash and damaging three vehicles.
The debris was dropped from a pedestrian bridge over the A500 in Cheshire between Cheerbrook and the Shavington roundabout at Willaston.
Between January 2 and 4, falling missiles hit several three cars causing damage, and one caused an accident.
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All the incidents happened between 3.30am and 6am.
Sgt Steve Tandy of Cheshire Constabulary, said: “On January 3, an officer attending the report of a car being damaged was injured along with the person reporting the damage, after a van collided with the officer’s stationary patrol car.
"Both were standing away from the cars on the grass verge but the collision resulted in them being injured following the impact.
"Thankfully the injuries weren’t serious, but this could have been much worse.
“Not only that, the shock and distraction of a concrete block or brick landing on your vehicle could also cause a serious collision.
"Whoever is doing this is putting people at serious risk of harm and is breaking the law - you will be dealt with robustly.
“I’d urge anyone who knows who is responsible, or has information or dash cam footage of someone acting suspiciously on the Wybunbury Road bridge, which comes out onto Newcastle Road in Willaston, to contact us.
"This needs to be stopped, and we are working hard with Cheshire East Council and their Highways department to prevent further incidents and find those responsible. We have also increased patrols to deter this criminal activity.”
Anyone with information should contact police on 101 or via the website quoting IML 1169596.
Alternatively information can be given anonymously by contacting Crimestoppers on 0800 555 111.
