Officers are appealing for witnesses to come forward after receiving two reports of items being thrown from the Besthorpe Road Bridge over the A11 in Attleborough.
The first incident happened at approximately 2.30pm on Wednesday, February 22, where bricks were thrown from the Besthorpe Road bridge damaging the windscreen and roof of one vehicle and the front bumper of another.
The second incident happened on Friday, February 24 at 1.20pm when police received reports of an unknown man throwing glass from the same bridge.
Fortunately, no damage was caused on this occasion.
The man seen on the bridge is described as wearing a pink jacket and a hat with flaps which covered his ears.
He was also seen riding a bike.
Anyone who witnessed the incident or has any information contact PC Steven Howard at Attleborough Police Station on 101.
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