PEOPLE who were advised to self-isolate by Scotland’s Test and Protect app between midnight on Monday and 8.30am yesterday have been told to get in touch with contact tracers following a “blip” in the system.

First Minister Nicola Sturgeon said the problem, which stemmed from an upgrade to the app, has now been fixed.

Details of the fault emerged at the First Minister’s coronavirus briefing today, during which she revealed 900 people had received a message telling them to self-isolate over that 32.5-hour period.

Over that time-frame, it would normally be expected that about 250 people would receive a notification to self-isolate.

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But Sturgeon said the app – which has been downloaded more than 1.7 million times – had been “configured in an overly sensitive way during that period”.

She added: “It does mean some people will have received notifications in that period who do not actually need to self-isolate.”

Anyone notified to self-isolate over the period concerned should call the National Contact Tracing Centre on 0800 030 8012.

The First Minister added: “If you are one of the people who have been notified incorrectly, they will advise you of that.”

She insisted the phone app had been “working really well at all other times”, and added: “This was a one-off blip as a result of an upgrade to the app and it has now been fixed.”