The center-right European People's Party (EPP) and the center-left Socialists and Democrats (S&D) are set to remain the two largest blocs, but have lost seats to the center, left and nationalist right.

As we saw in the UK, the EU elections showed a shift away from centrist parties. The European Parliament has become more fragmented, which may complicate decision making in some areas.

• Euroskeptic parties gained but didn't perform as well as some had expected.

• Green parties emerge as big winners in European vote.

• A wave of support for populists and Greens has disrupted centrist parties across the EU.