The British prime minister vowed to "deliver a Brexit that unites" the country, while 44 percent of the public thinks her policy is a "total shambles" but that the decision to leave the EU should be respected.

Dutch MPs are to debate imposing asset freezes and visa bans on Kremlin cronies in response to the UK attack, building on similar moves in Nordic and Baltic states.

Christopher Wylie told British MPs that the campaign behind getting the UK to leave the EU had used dubious methods to sway voters. He said Canadian firm Aggregate IQ was subcontracted through Cambridge Analytica to target people.

The EU-27 agreed on the guidelines for talks on the future of EU-UK relations after Brexit at a Brussels summit that highlighted the interdependency of London and European capitals on each other.

EU leaders at a Brussels summit demand social networks and digital platforms guarantee transparency and privacy. Their call comes amid growing backlash against Facebook and Cambridge Analytica over voter manipulation.

The UK and the EU have reached a legal agreement on citizens' rights and the financial settlement, but with still little progress on the future of the Irish border.

Russia has derided UK accusations on the nerve gas attack using familiar tactics, but France, Germany, and the US backed London on Thursday.

'There are concerns that EU-exit will negatively affect environmental protection and enforcement in the UK,' says a House of Commons report.

A looming trade war threatens to de-stabilise the Eurozone. Europe urgently needs to push its own agenda. Here are three suggestions.

A no-deal Brexit would cost UK and EU firms £58 billion (€65bn) a year, but the cost could be just £31 billion if the UK stayed in a customs union.

Glib comparisons with the US-Canada border, or municipal boundaries within London, do not stand up to scrutiny - or the reality of an internal Irish border with 275 crossing points in a land beset by 30 years of armed conflict.

Ireland will come first in negotiations over Brexit and the EU-UK long term relationship, the European Council chief said, insisting it is not up to the UK to define the EU's interests.

In its starting position on how future trade between the EU and the UK should look like, the EU rebuffs British prime minister Theresa May's post-Brexit vision.

Eight northern EU countries have gone against France on euro reforms after the German coalition deal cleared the way for talks.