A number of large nitrous oxide anaesthetic bottles have been stolen from Bridlington Hospital.
Humberside Police are appealing for any information concerning the whereabouts of the potentially dangerous items.
The force was called at 10.37am reporting that the gas bottles had been stolen from the Bridlington and District Hospital on Bessingby Road.
A spokesperson for Humberside Police said: “There are described as six 5ft G Size royal blue bottles and six E Size 2ft royal blue bottles marked up as “Medical Nitrous Oxide”.
“The gas is used as a general anaesthetic by the hospital and is potentially dangerous if misused and needs to be stored appropriately.
“The gas bottles should be returned to the hospital or handed into the nearest police station.
“Anyone with information about the whereabouts of the bottles or information about those responsible for the theft should call Humberside Police on 101.”