The pound suffered its biggest one-day slide in around three weeks on Friday after a new poll showed that Labour had slashed the Conservatives' lead to just five points ahead of next month’s general election.
The pound was recently trading around 0.5 per cent lower against the dollar at around $1.288 and was also trading lower against the euro.
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Sterling already slipped on Thursday after the Office for National Statistics revised down the UK's growth in the first quarter to just 0.2 per cent.
The currency remains around 13 per cent lower against the dollar since last June’s Brexit referendum, but has tentatively edged higher this year and rose sharply after the 8 June general election was announced on 18 April, with investors hopeful that a vote would strengthen Theresa May’s hand in Brexit negotiations.
The latest poll indicates that the outcome of the election is less certain.
The poll indicates a four point change since last week when the Tories were leading by nine percentage points - the first time Labour had narrowed the gap to single figures since the Prime Minister called the snap election.
It follows Ms May making an unprecedented U-turn over her "dementia tax" plans, just four days after making them the centrepiece of her election manifesto.
