Turkey could face EU sanctions over gas drilling in Cyprus, Greece and others have warned, prompting mockery by Turkey's president.

Scientists say there is no acceptable dose to avoid brain damage. Its use is banned in several European countries. Yet its residues are found in fruit baskets, on dinner plates, and in human urine samples from all over Europe.

The efforts to sway the mood - and the votes - of EU citizens was more targeted and nuanced, and not only restricted to Russian sources. The EU wants online platforms to do more.

A summit in Belgian capital this week will host heads of government and state to discuss top EU institutional posts. But before they meet, the jockeying for the Commission presidency will have already started among the European political groups.

Political bosses of the European Parliament's groups, hoping to assemble a majority coalition, are eyeing putting forward an political agenda - and possibly a name for the commission top job - before EU leaders gather in Brussels.

Ana Gomes, a socialist MEP from Portugal, has accused national authorities of erring on the side of corruption by detaining a whistleblower who helped expose tax evasion by some of Europe's biggest football stars.