Security staff prepare for the closure of the arcade at The Argyle Arcade shopping centre on Buchanan Street in central Glasgow, ahead of the introduction of further coronavirus restrictions on November 20, 2020. - Swathes of western and central Scotland prepared to enter a three-week period of restrictions this evening. From 6:00 pm (1800 GMT) non-essential shops, hospitality, gyms and beauty salons will shut in 11 council areas including the most populous city of Glasgow. (Photo by Andy Buchanan / AFP)

Members of staff leave after the closure of the Argyle Arcade shopping centre on Buchanan Street in central Glasgow, ahead of the introduction of further coronavirus restrictions on November 20, 2020. - Swathes of western and central Scotland prepared to enter a three-week period of restrictions this evening. From 6:00 pm (1800 GMT) non-essential shops, hospitality, gyms and beauty salons will shut in 11 council areas including the most populous city of Glasgow. (Photo by Andy Buchanan / AFP)

Security staff prepare for the closure of the arcade at The Argyle Arcade shopping centre on Buchanan Street in central Glasgow, ahead of the introduction of further coronavirus restrictions on November 20, 2020. - Swathes of western and central Scotland prepared to enter a three-week period of restrictions this evening. From 6:00 pm (1800 GMT) non-essential shops, hospitality, gyms and beauty salons will shut in 11 council areas including the most populous city of Glasgow. (Photo by Andy Buchanan / AFP)

Members of staff leave after the closure of the Argyle Arcade shopping centre on Buchanan Street in central Glasgow, ahead of the introduction of further coronavirus restrictions on November 20, 2020. - Swathes of western and central Scotland prepared to enter a three-week period of restrictions this evening. From 6:00 pm (1800 GMT) non-essential shops, hospitality, gyms and beauty salons will shut in 11 council areas including the most populous city of Glasgow. (Photo by Andy Buchanan / AFP)

A member of staff removes stock from a jewellers shop window as shops close in the Argyle Arcade shopping centre on Buchanan Street in central Glasgow, ahead of the introduction of further coronavirus restrictions on November 20, 2020. - Swathes of western and central Scotland prepared to enter a three-week period of restrictions this evening. From 6:00 pm (1800 GMT) non-essential shops, hospitality, gyms and beauty salons will shut in 11 council areas including the most populous city of Glasgow. (Photo by Andy Buchanan / AFP)

A member of staff removes stock from a jewellers shop window as shops close in the Argyle Arcade shopping centre on Buchanan Street in central Glasgow, ahead of the introduction of further coronavirus restrictions on November 20, 2020. - Swathes of western and central Scotland prepared to enter a three-week period of restrictions this evening. From 6:00 pm (1800 GMT) non-essential shops, hospitality, gyms and beauty salons will shut in 11 council areas including the most populous city of Glasgow. (Photo by Andy Buchanan / AFP)

A member of staff removes stock from a jewellers shop window as shops close in the Argyle Arcade shopping centre on Buchanan Street in central Glasgow, ahead of the introduction of further coronavirus restrictions on November 20, 2020. - Swathes of western and central Scotland prepared to enter a three-week period of restrictions this evening. From 6:00 pm (1800 GMT) non-essential shops, hospitality, gyms and beauty salons will shut in 11 council areas including the most populous city of Glasgow. (Photo by Andy Buchanan / AFP)

Security staff prepare for the closure of the arcade at The Argyle Arcade shopping centre on Buchanan Street in central Glasgow, ahead of the introduction of further coronavirus restrictions on November 20, 2020. - Swathes of western and central Scotland prepared to enter a three-week period of restrictions this evening. From 6:00 pm (1800 GMT) non-essential shops, hospitality, gyms and beauty salons will shut in 11 council areas including the most populous city of Glasgow. (Photo by Andy Buchanan / AFP)

A member of staff at the Princes Square shopping centre closes the gates, on Buchanan Street in central Glasgow, ahead of the introduction of further coronavirus restrictions on November 20, 2020. - Swathes of western and central Scotland prepared to enter a three-week period of restrictions this evening. From 6:00 pm (1800 GMT) non-essential shops, hospitality, gyms and beauty salons will shut in 11 council areas including the most populous city of Glasgow. (Photo by Andy Buchanan / AFP)

A member of staff at the Princes Square shopping centre closes the gates, on Buchanan Street in central Glasgow, ahead of the introduction of further coronavirus restrictions on November 20, 2020. - Swathes of western and central Scotland prepared to enter a three-week period of restrictions this evening. From 6:00 pm (1800 GMT) non-essential shops, hospitality, gyms and beauty salons will shut in 11 council areas including the most populous city of Glasgow. (Photo by Andy Buchanan / AFP)

A member of staff at the Princes Square shopping centre closes the gates, on Buchanan Street in central Glasgow, ahead of the introduction of further coronavirus restrictions on November 20, 2020. - Swathes of western and central Scotland prepared to enter a three-week period of restrictions this evening. From 6:00 pm (1800 GMT) non-essential shops, hospitality, gyms and beauty salons will shut in 11 council areas including the most populous city of Glasgow. (Photo by Andy Buchanan / AFP)

A near-deserted Buchanan Street is seen in the rain in central Glasgow, as further coronavirus restrictions are introduced in the city on November 20, 2020. - Swathes of western and central Scotland prepared to enter a three-week period of restrictions this evening. From 6:00 pm (1800 GMT) non-essential shops, hospitality, gyms and beauty salons will shut in 11 council areas including the most populous city of Glasgow. (Photo by Andy Buchanan / AFP)

A near-deserted Buchanan Street is seen in the rain in central Glasgow, as further coronavirus restrictions are introduced in the city on November 20, 2020. - Swathes of western and central Scotland prepared to enter a three-week period of restrictions this evening. From 6:00 pm (1800 GMT) non-essential shops, hospitality, gyms and beauty salons will shut in 11 council areas including the most populous city of Glasgow. (Photo by Andy Buchanan / AFP)

A near-deserted Buchanan Street is seen in the rain in central Glasgow, as further coronavirus restrictions are introduced in the city on November 20, 2020. - Swathes of western and central Scotland prepared to enter a three-week period of restrictions this evening. From 6:00 pm (1800 GMT) non-essential shops, hospitality, gyms and beauty salons will shut in 11 council areas including the most populous city of Glasgow. (Photo by Andy Buchanan / AFP)