Marine Le Pen
European Parliament elections not only determine the make-up of the next EU assembly and help decide who ends up running top European institutions but can also play back into the national politics of the bloc's 28 member states.
Here is a run-down of some of those national stakes after polls closed on Sunday and exit polls and early results came in:
AFP - French far-right leader Marine Le Pen expressed outrage Thursday after being ordered to undergo psychiatric tests for tweeting pictures of atrocities committed by the Islamic State group.
Le Pen shared the gruesome images in December 2015, a few weeks after IS jihadists killed 130 people in attacks in Paris, sparking widespread condemnation in France.