Residents went hungry when pizzas were stolen from a delivery boy in Eardley Road, Furzedown last week.
He was attacked on Sunday, September 13, at 11.45pm by two black men aged 17 and 20.
No arrests have yet been made and police are keen to hear from anyone who witnessed the attack.
The incident is just the latest in a string of pizza delivery robberies in the last year.
Delivery staff are vulnerable because they travel alone at night and often have to visit high rise flats.
If you have helpful information call Crimestoppers on 0800 555 111.
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