05:06Newsday22/12/2022 05:06 GMT : Ukraine's President Volodymyr Zelensky speaks to US CongressBBC World Service Duration: 50 minutes Thu 22nd Dec 2022, 05:06 on BBC World Service West and Central AfricaThis is his first foreign trip since Russia's invasion in February. Show more GenresNewsFormatsMagazines & ReviewsBrandNewsday Source: BBC Online