The Opinium and ComRes polls published on Saturday showed the lead of May's ruling Conservative Party had slipped to 10 and 12 percentage points respectively.
Abedi blew himself up with an improvised explosive device, killing 22 after an Ariana Grande concert.
"it just doesn't feel real." Hundreds gathered for a vigil to remember the 22 victims of Monday's attack.
British Prime Minister Theresa May on Tuesday night raised the United Kingdom's threat level to "critical."
The U.K.'s ambassador to Thailand will speak Wednesday at the International Day Against Homophobia, Transphobia and Biphobia in Bangkok.
Polls show May's Conservatives remained between 11 and 17 points ahead of Labour—still enough to deliver a clear victory as she seeks a mandate for her plan to implement the result of last year's Brexit referendum.
With some polls giving May a more than 20 point lead, the main opposition Labour Party pledged to introduce new public holidays to try to unite a country divided by the Brexit vote.
For a drama about black British civil rights activists resorting to violent direct action, the tone of John Ridley's 'Guerilla' is surprisingly subdued.
What does this election mean for the actual Brexit process? There are several important implications.
EU member states are not a unified club and divisions are likely to emerge.
The two sides will need to meet three key objectives by March 2019.
Trump's budget calls for a third reduction in the State Department budget.
Parties have until Monday to form a coalition or face direct rule from the UK or a fresh round of voting.
Prime minister criticizes Britain's Theresa May for standing in the way of a new independence referendum.
The official told Reuters that the charge made by Fox News analyst Andrew Napolitano was "totally untrue and quite frankly absurd."
The bill will now be sent to the queen for symbolic approval which could be granted as early as Tuesday morning, leaving May ready to start a two-year negotiation period.
Cyber Security Centre offers to help the UK's political parties bolster their online security.
The amended bill now demands that Britain's parliament has to approve any exit deal before it is debated by the European Parliament.
Plans to build more rental properties could come to nothing if housing developers can't see the benefits.
Trump might use the meeting to go some way to winning concessions from Britain and bolster his vision of the United States exporting its way to prosperity.
The British government recently signed a £30 million contract with a defense and aerospace consortium.