Eddie Mair 4pm - 7pm
Article 50: Theresa May's Letter To Launch Brexit
29 March 2017, 13:00 | Updated: 26 April 2018, 15:40
This is the letter that Theresa May sent to EU President Donald Tusk to begin the Brexit process to leave the European Union.
Donald Tusk tweeted:
After nine months the UK has delivered. #Brexit— Donald Tusk (@eucopresident) March 29, 2017