A 15-year-old boy was assaulted at Asda’s petrol station at Workington’s Dunmail Park.
The incident happened at about 7pm on Friday March 18 and involved a group of teenagers.
Police are keen to speak to anyone who might have witnessed the incident.
Anyone with information can report online at www.cumbria.police.uk/report-it, quoting incident 256 of March 18 or call 101.
Alternatively, contact Crimestoppers anonymously on 0800 555 111.
