A window in Whitehaven town centre was smashed on Monday.
The incident happened by the bus stop on Duke Street at around 9.50pm.
The suspect is described as a white male, around 6ft 2in, of slim build, and was wearing a dark hoodie with the hood up and dark tracksuit bottoms.
Anyone with information relating to this incident can report online at www.cumbria.police.uk/report-it, quoting incident number 225 of 29 April or call 101.
Alternatively, contact Crimestoppers, anonymously, on 0800 555 111.
