The YouGov poll for the Times, conducted over past two days (May 30-31), puts the Tories on 42 per cent with the Labour party close behind on 39 per cent.
The Tories' three point lead is the lowest of the campaign so far, while Labour’s 39 per cent is the party’s highest poll result since February 2014.Related articles
GETTY/EPATheresa May's hopes of winning a bigger Commons majority are under threat
The YouGov poll is just the latest which shows the gap between the two main parties is closing, with the Tories 18 points ahead of Labour when the snap General Election was called on April 18.
The pollster, who garnered responses from 1,875 British adults, put the Lib Dems down two points on seven per cent, with Ukip behind on four per cent.
There’s more bad news for the Prime Minister too - her personal poll approval lead over Jeremy Corbyn has shrunk to 13 points, a four point drop from the end of last week.
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The politicians taking part in the debate
Mrs May’s decision not to appear on Wednesday evening’s leaders’ debate is unlikely to be popular with voters, with Home Secretary Amber Rudd representing the Conservatives in the Prime Minister’s absence.
Party leaders accused Mrs May of lacking “guts” and “running away from the debate” during the 90-minute programme.
Lib Dem leader Tim Farron launched a string of attacks on Mrs May. He said: "Where do you think