A quarter of all patients waiting on trolleys are in University Hospital Limerick

Staff members are also reporting significant work-related stress due to the conditions they must endure

Over the weekend, patients — many of whom were over 75 years old — were waiting up to 14 hours to be admitted. Picture: Dan Linehan

Persistent overcrowding in University Hospital Limerick is making staff feel like it is "Groundhog Day" with constant fears for patient safety, the Irish Nurses and Midwives Organisation (INMO) has warned.

On Monday, the hospital had the highest number of patients on trolleys in the country.