Glasgow, East Renfrewshire and West Dunbartonshire
The rules: People in the Glasgow City, East Renfrewshire and West Dunbartonshire local authority areas should not meet with people from other households in indoor household settings, whether in these areas or elsewhere. Members of different households can continue to meet outdoors, including in gardens, and in hospitality settings.
Anyone living in this area who has been in close contact with someone who has tested positive for Covid-19 should isolate for 14 days. This quarantine extends to everyone in their household group.
Indoor visits to hospitals and care homes are limited to essential visits only. Outdoor visits to care homes are permitted by up to three individuals at a time from no more than two households.
The rules: Limits are in place on indoor and outdoor gatherings. Health Minister Robin Swann said that the number of people who can meet in groups outdoors has now been to 15, down from 30, following a rise in cases.
Groups meeting indoors is now limited to six people from two households, down from 10 people, while there will be additional police enforcement in affected areas.
Which areas are at risk of a second lockdown?
Birmingham has been added to a watchlist amid growing concerns about a rise in cases. The city will get more testing and Matt Hancock, the Health Secretary is meeting council leaders to discuss next steps.
Cases of are rising quickly, with 25.5 cases per 100,000 people last week. More than half of these were among people aged 18 to 34. On August 22, police were called to more than 70 street and house parties and other unlicensed gatherings.
Birmingham Council has launched a new whistleblowing hotline in an attempt to curb the rise in cases. Since August 26, the council can investigate businesses suspected of noncompliance, restaurants have been banned from taking bookings of more than six people, and weddings and funerals could be stopped if more than 30 guests are expected.
Northampton, where the rate of infection stands at 78.4 cases per 100,000 people, is also on the watchlist.
A weekly watchlist of affected areas is produced by Public Health England.