Britain's Prime Minister Keir Starmer leaves 10 Downing Street for PMQs.

Keir Starmer has been dealt another huge blow after one of his closest trade allies was deposed as leader of a leading trade union.

Christine McAnea was defeated by the left-winger Andrea Egan, who was kicked out of the Labour Party in 2022.

In a major shock, Egan received nearly 60% of the vote and will take over from McAnea next month.

The result will shift the balance of power on Labour’s ruling national executive committee (NEC), making it harder for Starmer and his supporters to control.

A senior Labour source said the result was an “absolute fucking disaster – a massive loss for Keir”.

Another party insider said: “It’s terrible. The biggest trade union in the country has gone to the hard left for the first time ever.

“It will probably mean waves of strikes across the public sector, causing misery to anyone in need of social care services ,for example.”

Labour MP Karl Turner told HuffPost UK said McAnea’s defeat was linked to worsening relations between Downing........

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