Talks between the HSE and the INMO are underway, as 621 patients wait for beds in hospitals.
Minister Harris will appear before an emergency sitting of the Oireachtas Health Committee next Wednesday to discuss the high numbers of patients waiting for beds.
621 people are on trolleys today, down from 760 for the past two days, but University Hospital Limerick is still the worst affected, with 63 on trolleys.
46 are without beds at University Hospital Galway, and 43 at Cork University Hospital.
The Irish Nurses and Midwives Organisation say 5 measures would alleviate the crisis including immediately sanctioning frontline recruitment, declaring a major incident at worst-hit hospitals, and sourcing additional bed capacity in private and voluntary facilities.
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