this is bbc news, with the latest business headlines for viewers in the uk and around the world. america's top diplomat says it's too soon to impose sanctions against russia, but warns of a significant response if moscow invades ukraine. get the jab or lose yourjob — we hear from us workers who've opted to lose theirjobs rather than get the covid—19 vaccine. and france bans the unvaccinated from visiting bars and restaurants and even using intercity trains, but the move has divided the country. and we keep being told it's the next big thing, but what exactly is the metaverse? we look at how it could change everything from the way we work to how we socialise.