The latest from Gaza, where three hostages were released by Hamas as part of the ceasefire deal. The BBC explains who they are. Israel also released the first wave of Palestinian prisoners. NBC News has the details.
Plus, President-elect Trump promised to save TikTok after it briefly went offline over the weekend; a polar vortex is bringing extremely cold weather to a big swath of the county, while dangerous winds threaten fire efforts in L.A.; and on MLK Day, Martin Luther King Jr.’s son has a message for Trump.