08:06NewsdayBritain Seeks to Renegotiate Key Parts of Brexit Deal Including Irish BackstopBBC World Service Duration: 23 minutes Thu 31st Jan 2019, 08:06 on BBC World ServiceAvailable for over a yearListen nowParliament has authorised the PM to return to Brussels and ask for changes. Show more GenresNewsFormatsMagazines & ReviewsBrandNewsday Source: BBC Online