Sean Tierney, 27 is wanted for questioning by detectives over the robbery at Maxted’s newsagents in Rustington on 14 May.
Shortly after 5pm a man wearing a crash helmet with the visor down walked into the shop in Worthing Road carrying a gun and a drawstring bag. Walking up to the till he ordered staff to hand over money from the till before escaping with a quantity of cash.
Detective Inspector Dave Wardley-Wilkins said:
“We need to speak to Sean Tierney urgently.
“If anyone knows where he is or where he could be I would urge them to contact us immediately.
“If you see him do not approach him but instead call 999 please.”
Anyone with information should call 101 quoting serial 1213 of 14/5, email email@example.com or call the independent charity Crimestoppers anonymously on 0800 555111.