Westminster Lodge Leisure Centre was broken into on Sunday.
Police have released CCTV images of two men they want to talk to after items were stolen and damage caused to the premises in Holywell Hill.
The incident occured between 4.10am and 5.35am.
Police would like to speak with the two men pictured as they may have information about the burglary, which could prove useful to the investigation.
Anyone who recognises the men, or has any other information about the incident, is asked to contact PC Matthew Wright via Hertfordshire Constabulary’s non-emergency number 101, quoting crime reference F1/15/1280.
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