Russian hackers posed a threat to EU elections, US tech giant Microsoft has warned, amid fresh revelations of cyber-attacks against European targets.

No breakthroughs emerged from the latest meeting between the British prime minister and the EU commission chief, with only 37 days to go until Brexit.

The visit of Austrian chancellor Sebastian Kurz to the White House on Wednesday showed that the current rift in transatlantic relations is deepening by the day.

The Court of Justice of the EU annulled legislation which relaxed toxic emission limits for cars. EU commissioner Bienkowska said the commission will appeal.

The overall number of migrant arrivals to Europe has dropped for a third consecutive year. But Frontex, also known as the European Border and Coast Guard agency, warns against complacency.

Models used to claim ECB policy have boosted eurozone economy were discredited by economists who inserted random figures.