While The Brexit Party (15 per cent) and UKIP (14 per cent) take third and fourth places respectively after Labour and the Conservatives, the research firm noted that "neither [Tories nor Labour] are far enough ahead for comfort" of the anti-establishment Eurosceptics.
Dutch Prime Minister Mark Rutte says that he spoke on her petition to postpone Brexit with May.
The Observer said it had obtained a recording of Clarke saying that he would resign from the ruling party if May is replaced by an extremist anti-EU leader.
The UK's Labour Party leader Jeremy Corbyn has been warned by the party's leader in the European Parliament and other grandees that the party would be deserted by millions of anti-Brexit voters if it fails to clearly back a second referendum in its manifesto for next month's EU elections. Some Macron, are unwilling to prolong it and tired of the Brexit melodrama.
The Conservative Party faces being swept from power by Jeremy Corbyn with the loss of almost 60 seats in the event of a general election, according to new polling.
The government says British Prime Minister Theresa May will visit Chancellor Angela Merkel on Tuesday at Berlin.
Steffen Seibert, merkel's spokesman, said the two leaders would discuss a special European Union summit and Brexit.
May, 62, took power in the aftermath of Britain's surprise 2016 vote to leave the European Union and has seen her government paralyzed by divisions over Brexit and unable to enact an ambitious reform agenda to tackle social injustice.
There have been no results up to now, although as a final resort, May has started cross-party talks with Labour leader Jeremy Corbyn.
"For Theresa May to start talks with somebody like Jeremy Corbyn isn't in any way easy but she's doing this since she is totally and utterly determined to deliver Brexit", Hunt said prior to a meeting of European Union foreign affairs ministers.
With Eurosceptic parties seeing an increase in the polls, European leaders are hoping that there will be a surge of support for Remain-supporting candidates who will go on to convince the United Kingdom government to cancel Brexit.
The British government will resume talks with the main opposition Labour party next week on how to resolve the deadlock over Brexit, a senior minister said Sunday.