Dyfed Powys Police are currently in attendance at Castle Terrace in Pembroke, with precautions being taken after an item was discovered which contains an unknown substance.

“There is not currently believed to be a risk to the public, but there will be a high presence of emergency services as the item is investigated,” said a police spokesperson.

The castle and surrounding footpath at Castle Pond have been cordoned off, with fire crews and a chemical incident unit also at the scene shortly after 1 pm.

A?post on the Facebook page of Pembroke Castle have stated that they will beclosed for the rest of today and tonight’s Ghost Tour has been cancelled.

“We expect to be open again tomorrow, but please check our Facebook page or website for updates before leaving for the castle,” they posted.

“If you have purchased tickets for this evening’s Ghost Tour, these will be refunded as soon as possible. Apologies for any inconvenience caused.”