Police have been attending an 'incident' at Victoria Barracks in Windsor overnight.
Two men, in their thirties, were reported to be acting suspiciously and were arrested.
Officers were called just before 9pm yesterday to Sheet Street.
Police have said that there is no wider risk to the public and there were no injuries.
An investigation is now underway.
Police are advising the public to remain vigilant and to report any suspicious behaviour or activity on 0800 789 321 or in an emergency the public should always call 999.
For further information about reporting suspicious behaviour visit https://act.campaign.gov.uk/
There is an update on this story: Two men released after 'suspicious incident' at barracks