Gardaí say there has been a suspected gas leak in a hospital in Mahon.
Roads are closed in both directions close to the Mater Private Network Cork.
Emergency services are investigating the possible gas leak at City Gate in Mahon.
Traffic travelling on the N40 will not have access to Mahon Point Shopping Centre.
While motorists coming from Mahon won't have access to St. Michael's Drive.
Diversions are in place while Gardaí and the fire service are at the scene.
Elsewhere, Gardaí are appealing to motorists to avoid Carr's Hill.
It's after a serious collision near Mount Oval which has led to a road closure in both directions.
