The rise of Nigel Farage’s party is a concern for many MPs in seats where Reform came a close second at the general election

Reform UK, led by Nigel Farage, is now neck and neck with Labour largely because its stance on immigration is proving attractive to floating voters, according to the latest Opinium poll for the Observer.

The rise of the populist rightwing party is causing increasing concern in the Labour high command and among the many Labour MPs who hold seats where Reform came a close second at last summer’s general election.