The UK was granted a Brexit delay until October 31, meaning MEPs will take part in the European elections. There are 73 seats up for grabs for British MEPs. But they may not be in their role for long if the UK leaves the European Union this winter.
Some EU officials have said it may be better to delay approving key post-election appointments until after British MEPs leave.
This is to avoid the UK saying parliament's decisions will lack legitimacy.
The British vote is predicted to favour eurosceptics, socialists and Greens but hurt the European People’s Party.
This has had no members in Britain since the Conservatives quit the group to form their own bloc.
European elections 2019 explained: Nigel Farage is confident his Brexit Party will fare well (Image: GETTY)
By taking part in the elections, the UK has also forced the EU to postpone the redistribution of 27 of its 73 seats to other countries.
France, for example, will elect 79 MEPs, which is five more than it has now, but five of them will not be
