Bricks thrown from a bridge over the A1(M) near Letchworth hit a moving lorry last night, police have confirmed.

A man was driving along the southbound carriageway of the motorway – approaching Junction 9 for Letchworth – at about 9pm when bricks struck the roof of his lorry, causing damage to the cab.

Two males with dark hair and dark clothing were seen on the bridge around the time of the incident.

Safer Neighbourhood Team sgt Simon Turner said: “Thankfully no one was injured during the incident but the outcome could have easily been much more serious.

“Throwing any object from a motorway bridge is extremely dangerous and I want to make it clear that anyone found to be doing so will be dealt with robustly.

“I am appealing to anyone who thinks they may have seen two people on the bridge around the time of the incident to contact me as soon as possible.”

Anyone with information about the incident is asked to contact sgt Turner via the police non-emergency number 101.

Alternatively, call Crimestoppers anonymously on 0800 555 111 or through their anonymous online form at www.crimestoppers-uk.org. No personal details are taken, information cannot be traced or recorded and you will not go to court.