with the spotlight on russian oligarchs and their assets, we've been taking a look at one of the biggest yachts ever built — and asking who actually owns it. the united states calls for tougher sanctions on north korea — after tests on its largest ever inter—continental ballistic missile. a ferry operated by p&0 has been detained in northern ireland because of fears about staff training. and tributes from across the music industry for taylor hawkins — the drummer with the rock band, the foo fighters — who's died at the age of 50. welcome to bbc news, live from lviv in western ukraine.