Whanganui East residents awoke to discover their vehicle windscreens smashed by vandals.
Glass repair businesses have been inundated with repair requests with many residents left unable to drive while they await the delivery of replacements.
Most of the offending occurred on Ikitara Rd, off Anzac Pde and Wakefield St, overnight Monday.
Larn Sweeney lives on Raine St and said his sister-in-law Bronwyn Hughes was a victim.
"She was parked directly out in front of my house on the other side of the road, right by St Anne's School, that parking bay," Sweeney said.