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A park was closed by police after reports of two men acting suspiciously.
Locals took to social media after spotting a heavy police presence in Copperfield Park in Rochester.
Sniffer dogs were also reportedly at the scene.
Officers have now left the area, off Breton Road.
Police spokesman Jordan Bluer said: "Kent Police attended The Tideway area of Rochester on the morning of Wednesday March 21 following reports of two men acting suspiciously.
"Officers carried out a search of the area. No arrests have been made."
Enquiries are ongoing.