Aneurin Bevan University Health Board says it will now be taking legal proceedings to take back possession of the car park at Royal Gwent Hospital in Newport.
It says it had asked a group of travellers from France, who have parked caravans in a section of the staff car park, to leave by 4pm today - but they are still on site.
More top news
Thunder and lightning brought a warm and dry start to September to a soggy end. But how are we looking for the weekend?
A rather cloudy day, though dry for many with some brightness, especially in the west where there'll be some warm sunny spells.
Aspiring superheroes are being offered a house in Llangollen with an added extra - it's own batcave.