A pizza delivery driver has been robbed after he was stunned by an electronic device in Wollongong overnight.
A 21-year-old man attended Robert Cram Drive, Bellambi, to deliver pizzas just before 10pm, police said.
As he entered the street, a group of teens in a nearby park approached him, demanding cash.
The group took hold of the man and stunned him with an electronic device, causing him to fall to the ground.
The injured driver returned to the pizza store at Fairy Meadow and contacted police.
Wollongong police established a crime scene are are looking for four males described as being approximately 14to15-years-old, about 150cm-160cm tall, and wearing dark coloured hooded jumpers.
Investigations are continuing.