Ukraine, Canada and Belgium
Ukraine’s capital Kyiv also faced new restrictions on Saturday with most shops shutting and people urged to work from home.
The lockdown began on March 20 and is expected to continue through to April 24.
The move was made in response to the rising rates of Covid infections and hospitalisations after 1,070 new infections were reported on March 19.
Ontario in Canada shut down in-person classes again this week amid a surge in new Covid cases.
Premier Doug Ford said: “The problem is not in our school, it’s in our community.”
Hospitals across much of Ontario will start ramping down elective surgeries and non-urgent procedures to ensure they have the capacity to treat more COVID-19 patients.
Belgium went into a four-week lockdown beginning last month.
Belgian Prime Minister Alexander De Croo said the virus variant first identified in Britain is taking a heavy toll on the health of the country’s people: confirmed cases increased 40 percent over the last week.
Hospital admissions rose 28 percent following a long stable period.
Mr De Croo told reporters: “t’s difficult to take such a decision, and for many it will be a deception.
“But I’m convinced that we are going to break this third wave.”
The Government aims to resume in-person teaching from April 19.