Several police units, along with the support of the National Police Air Support helicopter from Bournemouth, have been scouring the area following the incident at the Central Convenience store on Avenue Road.
It is believed that a male demanded cash from the till before making off shortly before 21:00.
The same store was subject to a robbery only 8 days ago when an unknown male stole cash and tobacco after threatening staff with a bottle of liquid, feared to have been acid.
Police have established a cordon around the front of the shop tonight.
It is currently unknown what was taken during tonight’s incident and whether or not any arrests have been made.
Anyone with information of any persons acting suspiciously in the area, or fleeing the scene, should contact police on 101 – or 999 in an emergency.
UPDATE @ 23:50 – The shop is expected to remain closed tomorrow (Thursday) as Police continue to investigate the incident.
A sign in the window says that due to tonight’s incident, the shop will remain closed until further notice.
An internal and external cordon has been established.
Hampshire Constabulary have been approached for a statement.We're working on bringing you all the latest updates on this breaking news story. Please refresh this page or check back later for updates.
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