Health bosses in Newport say they have asked a group of travellers who have blocked staff car park spaces at the Royal Gwent Hospital to leave by 4pm today - or they will begin legal proceedings.
Aneurin Bevan University Health Board said: "Following advice given by our legal advisers, the Health Board yesterday issued letters to the travellers requesting that they vacate the site by 4:00pm today."
"If this does not happen, as advised we will move to the next stage in the process which is to commence legal proceedings."
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The star celebrates beating Justin Bieber into second place as her song becomes a hit again after a performance at the total solar eclipse.
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The Welsh singer sang her infamous track during yesterday's solar eclipse.