Further industrial action had been planned for the coming weeks.
Unions representing ambulance workers say they are prepared to strike again if today's mediation talks don't produce a sufficient outcome.
Officials from SIPTU and UNITE will attend discussions with the HSE at the Labour Court from 10 o'clock this morning.
Members of the National Ambulance Service engaged in a work to rule on Monday and a full work stoppage on Tuesday in a row over pay.
Further industrial action had also been planned for May 16th, May 23rd, as well as dates in June.

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