There are 583 patients waiting on trolleys in Irish hospitals today - the highest number seen since last April.
The number is the highest since April 9 when there was a year-high 631 on trolleys.
Once again, University Hospital Limerick is the worst affected with 56 people on trolleys, according to the INMO.
The mid-west hospital is followed by University Hospital Galway and Cork University Hospital.
The worst affected hospitals are: