47 year old Liam Killigrew was sentenced at Kingston Crown Court where he pleaded guilty to a knife point robbery, GBH and criminal damage.
Killigrew was caught trying to steal
money from the shop in Liberty Avenue when he stabbed the shop keeper in the
back.
Other staff then pulled the shutters
down, detaining him inside the premises before calling police.
The shopkeeper was taken to hospital
where his injuries were assessed as significant but not life changing.