this is bbc news. the headlines — on the first anniversary of russia's invasion of ukraine, president zelensky has praised his nation's "year of invincibility". he insisted that, despite thousands of deaths on the battlefield, and accusations of war crimes carried out by russian troops that have shocked the world, victory was inevitable. large parts of southern california have been struck by record—breaking blizzards, freezing temperatures and heavy rain. a series of major roads have been closed, as ice and snow made them impassable. extreme weather warnings remain in place in ventura county and greater los angeles. and two brothers from pakistan, who were held in the us military prison at guantanamo bay for nearly 20 years, have been released without charge. the pentagon said abdul ahmed rabban operated an al-qaeda