The transport union RMT will campaign for a Brexit from “pro-austerity, anti-worker” European Union (EU) after a vote at its AGM.

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The group has long been opposed to the UK’s membership of the EU, and says the vote merely reaffirms its position.

In a statement, RMT’s general secretary Mike Cash said:

“EU policies are at odds with the aspirations of this union as the various treaties and directives are demanding the privatisation of our rail and ferry industries.

“The EU is also secretly negotiating trade deals with the US and Canada which will decimate our health and education sectors and hand huge powers to transnational corporations over nation states and their governments.

“The Tories will be campaigning to stay in the EU come any referendum as they support this right wing, neo-liberal, anti-worker agenda,” he said.

The news comes as David Cameron admitted today that the UK may not manage to renegotiate EU treaties before it holds a referendum.