Summary: In our news wrap Thursday, Russia suffered a blow in its war with Ukraine when the flagship of its naval fleet in the Black Sea exploded and sank, Pfizer says COVID booster shots for children ages 5 to 11 show a strong immune response, Israeli troops killed two Palestinians during raids, and former Trump aide Stephen Miller appeared before the House committee investigating the Jan. 6 insurrection. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
