The UNITE trade union says it is making contact with other trade unions at the Medisize Plant in Letterkenny with a view to all out strike action.
Nine workers associated with UNITE and the TEEU have been on all out strike since Monday, they claim management reneged on an agreement reached with unions on the restructuring of the plant.
The striking workers say that if outside labour is brought in to to cover their duties they will be calling on all of the 120 staff at the plant to join their action.
The UNITE spokesperson is Gareth Scott:
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