330 SPAR stores remain closed across the North of England including Southport
SPAR including Birkdale village and Moss Lane / High Park Road remain closed.
A spokesperson for James Hall said: "James Hall & Company are currently aware of an online attack on its IT system.
"This has not affected all SPAR stores across the North of England, but a number have been impacted over the past 24 hours and we are working to resolve this situation as quickly as possible.
"It is currently impacting stores' ability to process card payments meaning that a number of SPAR stores are currently closed to shoppers or only taking cash payments.
We apologise for the inconvenience this is causing our customers and we are working as quickly as possible to resolve the situation."