UK PM visits hospital's laboratory in Glasgow

British prime minister Boris Johnson travelled to Scotland on Thursday to laud rapid rollout of coronavirus vaccines across United Kingdom. visit has sparked criticism, with prime minister facing accusations that he is t abiding by Scottish lockdown rules.

lockdown dispute threatens to undermine Johnson's efforts to promote benefits of union between Scotland and rest of UK.Numerous polls have shown increased support for Scottish independence from UK.

Johnson is arguing that Scotland is benefiting from his Conservative government's approach to getting vaccine shots out quickly.But critics say he is politicking at a time when UK is in a strict lockdown as a result of a huge resurgence of virus.