Laughing gas stolen from a hospital could be used by revellers at parties, police believe.
The four cylinders of nitrous oxide were taken from an outbuilding of The Princess Margaret Hospital in Windsor on the weekend.
The theft took place at the Osborne Road hospital sometime from 11pm on Friday and 12.30am on Saturday.
Police said nitrous oxide has become a 'favourite at raves' and are urging people to store it securely.
Call police on 08458 505505 with information.
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