The trio of suspects, all described as white and clad in black hoodies, made their escape westwards along Marine Parade.
Police officers descended on the scene swiftly, and residents have been advised to anticipate an elevated police presence in the vicinity this evening, reports the Daily Star.
Investigations into the incident are currently ongoing.
Neil Walker, from Worthing CID, appealed for information, stating:.
"We're in the very early stages of our investigation and are urging anyone with any information to please come forward.", according to the Mirror.
"Did you witness the incident or any suspicious activity in the area around that time?"
"Contact us via 101 or report it online, quoting serial 615 of 01/10.
"Alternatively, you can approach one of our officers in confidence, or contact the independent charity Crimestoppers anonymously on 0800 555 111 or report it online at www.crimestoppers-uk.org".
