Cumbria police received reports of a man exposing himself through a window from a property in Market Street close to the Abbey Road junction in Dalton.
The alleged incident happened on the afternoon of Thursday September 10 when there were several pedestrians in sight.
A 32-year-old man was arrested and has been bailed to allow for further inquiries.
Anyone who witnessed the incident is asked to contact Cumbria police on 101 or ring Crimestoppers anonymously on 0800 555 111.
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