News Wrap: UK imposes new lockdown measures

In our news wrap Monday, the United Kingdom imposed a new lockdown as the coronavirus variant spreads, Washington, D.C. activates National Guard ahead of expected protests against certifying President-elect Biden's win, a British judge refuses to send WikiLeaks founder Julian Assange to the U.S., and Iran says it has ramped up uranium enrichment as the country seizes a South Korean tanker.