A cluster of 13 cases of Covid-19 linked to a pub in Aberdeen is being investigated by public health authorities.

NHS Grampian says the cases are associated with The Hawthorn Bar in the city centre.

All those who tested positive are showing only mild symptoms, though the health board says there may be further cases linked to the cluster.

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The pub had physical distancing measures in place and contact tracing is being carried out in line with the Scottish Government's Test and Protect scheme.

Dr Emmanuel Okpo, consultant in public health medicine, said: "Our health protection team are speaking to the confirmed cases, establishing who they have been in contact with and providing further advice on isolation and testing as required.

"We are also carrying out wider contact tracing work, as part of the Test and Protect scheme.

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"We cannot rule out the possibility of detecting further cases linked to this cluster."