Could a second Brexit referendum happen?
Theresa May has ruled out holding another referendum on Brexit, but some people still want the UK to stay in the EU and others want a final say on the deal to leave.
So could there be another vote? Our political correspondent Nick Eardley looks at what might happen.
For a further referendum, the EU would have to agree to delay or cancel the Article 50 deadline; in the UK politicians would also have to pass legislation for a new referendum.
Filmed and edited by Nick Raikes