Police are investigating robberies at two dairies in Whanganui on Saturday.
Police responded to a report at 5.23pm of a robbery of a dairy on Rangitikei St, Whanganui East.
A police statement said police were told three males entered the shop and took a computer.
The shop workers - a man and a woman - were also assaulted.
"They sustained head injuries - which are not life threatening - and were taken to hospital.