The government is set to ban public gatherings of more than six people from Monday, amid fears a second coronavirus outbreak could be on its way in the UK.
The ban will apply in homes, parks, pubs and restaurants in England, in the biggest coronavirus crackdown since lockdown rules were eased.
It comes amid a surge in Covid-19 cases this month, with 3,000 consecutive cases recorded last week, and 2,500 new reports on Tuesday.
Those who break the rules could be hit with a £100 fine, which will double for every offence up to £3,200.
It comes as nightclubs remain closed to help curb the spread of the contagious infection.
Under current coronavirus guidelines in England, groups are limited to just one other household inside, and two outside.
There's also a cap on how many people can meet at once - which is currently 30.
However Boris Johnson will limit this to just six at home and in public from Monday, September, 14.
While there are no plans to close pubs and restaurants, it will mean new limits on how many people can socialise at once.
Boozers and diners will be asked to limit the number of people sat together to just six.
It means if there are more of you, your group could be separated and asked to sit at least two metres apart.
Business owners have the right to refuse to serve customers who break their rules but it is not something all pubs have to enforce.
"We are going to be tightening the rules," health secretary Matt Hancock told BBC Radio 4's Today programme.
People caught flouting the rules could be slapped with a £100 fine each, which can be doubled for each recurring offence, up to £3,200.
Are there any exemptions?
Large families (who live at the same address) and support bubbles will be exempt from the new regulations, as will gatherings of more than six people for work or education purposes.
Weddings, funerals and organised sports teams will still be able to go ahead from Monday, as long as they are Covid-19-safe.
The government said: "Putting the new, lower limit in law will make it easier for the police to identify and disperse illegal gatherings."
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What are the rules and guidance in other parts of the UK?
These are the rules if you're meeting outside elsewhere in the UK:
Scotland : 15 people from five different households can meet outdoors
Wales : 30 people are allowed to see each other outdoors
Northern Ireland : 15 people from five different households can meet outdoors
These are the rules if you're meeting indoors, such as in a pub or restaurant:
Scotland : 8 people from three different households
Northern Ireland : 6 people from two households
Wales : 4 households can form an "extended household"
