There are new concerns about the threat to motorists travelling in our region, from objects being thrown from road bridges.
One woman says she could have been killed after something was dropped on to her car from a bridge in Essex
She was heading north on the M11 near Harlow when it happened, during rush hour.
It's not the first incident of its kind with hundreds of similar attacks over the past few years in our region
Click below to see Luke Farrington's report