Following the prime minister's invocation of Article 50 of the Lisbon Treaty and the government's publication of the Great Repeal Bill whitepaper, we have produced an on the day briefing on Brexit negotiations formally commencing.

The briefing sets out:

• the core messages from the prime minister's statement to parliament and her letter to the European Council president
• the key details in the Great Repeal Bill whitepaper
• an overview of the next steps in the Brexit process
• updates on the latest government and political developments on Brexit and the implications for health and social care