Labour has opened up a four-point lead on the Conservatives despite the summer row over antisemitism, according to a new poll.
The survey puts Jeremy Corbyn's party at 41 per cent - up from 40 per cent in July - and the Tories down one per cent to 37.
It also placed Ukip level with the Liberal Democrats on six per cent and revealed respondents were split 50-50 on whether to remain in the EU or leave.
The poll was carried out by Survation between 31 August and 1 September, before Labour adopted all internationally recognised examples of antisemitism in an attempt to draw a line under the issue.
It contrasts with a YouGov survey from a few days earlier that gave the Tories a two-point lead over Labour.
That poll put the Conservatives on 39, Labour on 37, the Lib Dems on 10, UKIP on five and the Greens on three.
The Britain Elects poll tracker, which takes into account all results meeting British Polling Council standards, shows Labour with a one-point lead over the Tories.
It suggests a general election would produce a hung parliament with the Tories as the largest party.
Survation's poll shows approval ratings of 32 per cent for both Jeremy Corbyn and Theresa May, though 46 per cent of respondents had an unfavourable opinion of the Labour leader compared to 41 per cent for the Prime Minister.
Latest party membership figures showed the SNP had overtaken the Tories for the first time.
Labour had 540,000 registered members, with the SNP on 125,000, the Conservatives 124,000, the Liberal Democrats 99,200, the Green Party 39,400, Ukip 23,600 and Plaid Cymru around 8,000, according to House of Commons Library data.
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