The latest YouGov/Times voting intention poll has the Conservatives on 20% (-1 from 26-27 March) while Labour's vote share has reverted three points upwards to 43%.
Last week Reform UK reached their highest ever figure of 16%, a rate which they retain in this week's poll.
Elsewhere, the Lib Dems are on 8% (-2) and the Greens are also on 8% (no change).
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