COPENHAGEN, Denmark — Danish Prime Minister Mette Frederiksen says Denmark is lowering the number of people who can gather in public from 10 to five.

The plan was to “delay the mutation,” Frederiksen said of the British mutation, adding that Danes were advised against traveling to Britain. Frederiksen also urged people to stay home and “feel free to cancel all the appointments you can where possible.”

Earlier, Denmark has banned sale of alcohol after 10 p.m., made face masks mandatory in public places such as supermarkets, libraries, theaters and public transportation. Pharmacies are open but non-food shops, amusement parks, zoos and gyms are closed until at least Jan. 17. Restaurants and cafes can only offer take out. Students in the 5th grade and above have switched to remote learning.