Brexit: Donald Tusk rejects Boris Johnson's backstop proposal - live news https://www.theguardian.com/politics/live/2019/aug/20/brexit-latest-news-boris-johnsons-backstop-offer-to-eu-dismissed-by-labour-as-fantasyland-wish-list-live-news?CMP=twt_gu&utm_medium=&utm_source=Twitter#Echobox=1566297309
