Investigations are ongoing.

Several emergency departments in the region saw their trolley numbers double.

Sligo University Hospital was among those inspected and, on the day of inspection, the waiting time from triage to medical review ranged from 5 minutes to 12 hours and 4 minutes with an average of 4 hours 14 minutes.

Nationally, 607 people are waiting at hospitals across the country.

University Hospital Galway is recording the highest number of people on trolleys locally.

Deputy Harkin says the chronic overcrowding seems to have brought things to a head, but the root of the problem lies further back in time.

Sligo University Hospital has recorded the fifth highest level of overcrowding nationally with 700 people waiting on a bed at the hospital in October.

The report breaks down the number of people waiting for CT, MRI, Ultrasound, and VUS scans across various hospital groups in quarter 2 of this year