"I know I heard a bang and thought it was the next-door neighbour's house, which is unoccupied and I thought I'd just check it. I looked out the window but saw nothing.
"Didn't think of coming up on the street, but others heard the same."
It was only later in the morning when Blakemore realised 17 cars had their windscreens smashed, and only on one side of the street.