Britain's Secretary of State of Health Matt Hancock arrives in Downing Street, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 21, 2020. REUTERS/John Sibley/File Photo Britain's health minister, Matt Hancock, said a second national lockdown could be a possibility if government-issued COVID-19 preventative measures are not followed. "The nation faces a tipping point and we have a choice," Hancock told Sky News.