The Leader of the Labour Party and the Shadow International Trade Secretary are at odds when it comes to Britain's place in the Customs Union post-Brexit. https://www.politicshome.com/news/uk/foreign-affairs/brexit/news/87797/labour-brexit-splits-jeremy-corbyn-slaps-down-frontbencher
Brexit: Disagreements in the Labour Party
Heidi Alexander MP (Lewisham East - Lab) has written, in the Guardian, her thoughts on Barry Gardiner MP's (Brent North - Lab) recent comments regarding access to the Single Market and Customs Union https://www.theguardian.com/commentisfree/2017/jul/25/labour-single-market-barry-gardiner-customs-union