Police are appealing for witnesses to a theft of a mobile phone at the Savannah bar, The Broadway, Haywards Heath, at 11pm on Friday August 10.
The owner of the phone left it on a table within the bar unattended for only a matter of seconds.
In this time, someone has stolen it from the table.
Acting Police Sergeant Mark Scruby said: “Other similar thefts have taken place in and around the town centre over recent weeks, with the victims leaving mobile phones exposed and unattended.”
Any witness or anyone with information is asked to call 101 quoting serial of 1569 of 21/8. Alternatively, call the independent charity Crimestoppers anonymously on 0800 555 111.