this is bbc news — welcome if you're watching here in the uk or around the globe. i'm lucy hockings. our top stories: ukrainian authorities have begun rescuing people from a bomb shelter at a mariupol theatre, which they say was hit by russian shells. moscow denies attacking it. i'mjames reynolds in lviv, with the latest on that attack in mariupol and the wider conflict in ukraine. a standing ovation for ukraine's leader at the german bundestag. president zelensky says that sanctions are not enough to end the conflict. the british ferry company p&0 has suspended sailings ahead of what they've called a "major announcement".