| UPDATED: 13:05, Wed, Mar 17, 2021 Link copied Sign up for our columnists plus the most commented stories driving conversation SUBSCRIBE Invalid email When you subscribe we will use the information you provide to send you these newsletters. Sometimes they'll include recommendations for other related newsletters or services we offer. Our Privacy Notice explains more about how we use your data, and your rights. You can unsubscribe at any time. The Brexit trade deal was implemented on January 1, but has not resulted in an end to tensions over fishing rights. The EU's restrictions on UK exports of shellfish have led to fury in the UK, and it was reported last month that the UK was considering retaliatory action. The Sunday Telegraph reported the Government was considering ending a series of post-Brexit continuity agreements it has with Brussels, which could restrict imports of European mineral water and seed potatoes.