Such a result would mean the Labour leader would have to be willing to enter negotiations with other political parties if he wished to enter Downing Street.
The YouGov findings contradicts other surveys during the campaign so far, suggesting Theresa May faces losing her majority rather than extending it.
The pound has risen almost 4% since May called a snap election for June, as investors bet a then-predicted landslide majority for May would result in a stronger hand in negotiating Britain's exit from the European Union.
The gains didn't last long, however, as a separate YouGov poll on Wednesday night showed the Conservatives had a slender 3 point lead over Labour.
The YouGov results suggest their team expect a higher turnout among young people, who are more likely to vote Labour, but if their projections are wrong the Conservatives will secure a comfortable win.
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The findings again weakened sterling which had earlier fallen nearly a cent against the US dollar on the YouGov model before rising on a Kantar poll which showed May's lead had increased to 10 percentage points.
Attacks on civilians in two locations near the Thames River on Saturday night sent armed London police officers to each site. Witnesses said the attackers stabbed people in the street and in pubs and restaurants in Borough Market.
In between Ronaldo's goals was Casemiro's strike, a less expected strike but one that proved just as valuable for Madrid. Juventus impressed in the first-half, with their trademark defensive solidity keeping Madrid at bay for long periods.
Gerard Vowls, 47, told The Guardian newspaper that he saw a woman being stabbed by three men at the south end of London Bridge. Police say they're responding to an incident there and another at Borough Market, a busy area of pubs and restaurants nearby.
There was also a stabbing in the Vauxhall area of London , but police said that was unrelated to the terror attacks. London's Metropolitan Police have reported more than one fatality in a van attack near London Bridge Saturday.
Frank Gardner, a national security correspondent for the BBC, said terrorism is suspected but cited no sources or exiting reports. The mayor of London , Sadiq Khan, called the incidents a "deliberate and cowardly attack on innocent Londoners".
Speaking after a meeting with Mr Macron , Mr Modi said France and India had "worked shoulder to shoulder" on the Paris accord. Re-affirming commitment to the Paris Agreement further comes in the background of President Trump's withdrawal from it.
Trump may block Comey testimony before Senate
Kellyanne Conway said the United States leader will make a decision on whether to invoke a doctrine called executive privilege . The FBI director serves a 10-year term. 'He concluded that it really hurt the morale and the integrity of the department.
Andy Murray: 'Overcoming Juan Martin del Potro was tough'
Marin Cilic is through to the fourth round of the French Open after swatting aside Spanish veteran Feliciano Lopez 6-1, 6-3, 6-3. Also, Spaniard Fernando Verdasco qualified for the fourth round after beating Pablo Cuevas , world no. 23, 6-2, 6-1, 6-3.
Top House Intel panel Democrat rebukes chairman over subpoenas
However, Nunes had never recused himself from continuing to look into the issue of potentially improper unmaskings of Americans. Democrats on the panel - who had been calling for Nunes' recusal - have broadly praised Conaway's leadership of the probe.
Ireland's ruling Fine Gael party set to announce new leader
The strong favourite is Leo Varadkar - the son of an Indian immigrant who is Ireland's first openly gay government minister. In his leadership campaign, "Taking Ireland Forward", Varadkar's fiscally conservative politics took center stage.
Pop Star Ariana Grande Visits Fans at Manchester Hospital
The remaining £40 tickets to Sunday's charity show at the Old Trafford Cricket Ground sold out in less than 20 minutes. After some down time and conferring with her management team, Ariana came back fighting like the risky woman she is.
Car runs into London Bridge pedestrians; multiple injuries
London Ambulance Service took at least 20 people to six hospitals after treating a number of people at the London Bridge . The incident comes close on the heels of the March 22 incident on Westminster Bridge in which five people were killed.