A person is helping police with their inquiries after a violent robbery at a Caltex station in Christchurch.
A shop attendant at the service station on Blenheim Road is in hospital after he was assaulted by between four and six males - shortly after 1am
The offenders took off with cigarettes and a till.
Their vehicle was followed by a member of the public to the Burnside area.
Police are investigating
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