MOIRA Barton violently attacks Cain Dingle’s ‘lover’ in shock Emmerdale spoilers.

In recent episodes, the farmer has displayed increasingly erratic and worrying behaviour.

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And this week, she collapsed after suffering a seizure, leaving her family – including husband Cain – worried.

But in upcoming Emmerdale scenes, Moira overreacts when she sees Cain bantering with Ruby.

A squeeze of the arm by Ruby leaves Moira’s anger bubbling up.

Barging into Mill Cottage, Moira accuses Ruby of trying to sleep with Cain, confusing Ruby.

As Cain and Caleb arrive, Moira headbutts Ruby and has to be restrained by Cain.

He takes aggressive Moira away, and Caleb hopes his promise to sort it will appease furious Ruby.

Confused by Moira’s actions back at Butlers, Cain demands to know what’s going on. 

Realising she’s forgotten to go for her blood tests, Cain storms outside, leaving Moira confused and upset.

Will the couple be able to get to the bottom of what’s wrong with Moira?

And can they save their marriage?

The new spoiler comes just days after Emmerdale released an explosive trailer – with Moira at the heart of it.

She is seen kissing Nate Robinson – who she previously had an affair with – at the barn, and is seen by Caleb Miligan.

A petrol canister is knocked over, before Moira is seen with a shotgun looking angry, and she shoots out a light above her in the barn.

However, that erratic decision could be what triggers the blaze that soon engulfs it.

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Emmerdale airs on ITV1 and is available on ITVX.