ESB network technicians, including some based in Kerry, are on the picket line again today.
Last week, up to 15 ESB technicians, who are members of the Independent Workers' Union, held a picket outside ESB offices at The Basin in Tralee.
ESB Networks said the 24-hour action was unlawful and is threatening legal action as it does not recognise the union.
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Solidarity TD Mick Barry will raise the technicians’ issues in the Dáil this afternoon.
