Bangladesh, Nov. 29 -- Japan announced Monday it will suspend entry of all foreign visitors from around the world as a new coronavirus variant spreads, prompting an increasing number of countries to tighten their borders.

"We are taking the step as an emergency precaution to prevent a worst-case scenario in Japan," Prime Minister Fumio Kishida said. He said the measure will take effect Tuesday.

The decision means Japan will restore border controls that it eased earlier this month for short-term business visitors, foreign students and workers.

Kishida urged people to continue with mask wearing and other basic anti-virus measures until further details of the new omicron variant are known.

Many countries have moved to tighten their borde...