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. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: Facebook: http://www.pbs.org/newshour Twitter: http://www.twitter.com/newshour Instagram: http://www.instagram.com/newshour Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe