fast-spreading omicron variant. the prime minister is debating whether to impose another round of restrictions before christmas, days away at this point. cnn has reporters covering the pandemic around the world. reporter: i m in london, where uk prime minister boris johnson is coming under mounting pressure from health experts to bring into force tougher covid-19 restrictions to stem the spread of the omicron variant. the government has, at this stage, stuck to plan b measures, including mask wearing and working from home. but as health experts warn against a surge in hospital admissions and new cases in the new year, the prime minister hasn t ruled out the potential for another national lockdown. reporter: i m fred pleitgen in berlin. several countries are dealing with large-scale omicron outcomes. germany is bracing for the coronavirus variant. the cans hancellor, olaf schults