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Emergency services were called out after it was thought that a man on a clifftop may be at risk of harming himself.
Coastguards and the ambulance service dashed to the Samphire Hoe nature reserve area at Dover at 3.30pm.
A Maritime and Coastguard Agency spokesman said: "We had reports that there was a vulnerable man threatening to go into the water.
"This was dealt with and the man was taken to safety."
The Folkestone and Langdon Coastguard Rescue Teams were among those sent there, along with police.
The MCA explain that they were called to the scene by Kent Police.
At one stage two coastguard vehicles and what appeared to be five South East Coast Ambulance Service ones were seen on the approach road to the reserve.
Samphire Hoe ranger Paul Holt was not present at the time of the incident, but believes it centred on Shakespeare Cliff, a short distance further east.
He said: " As far as I am now aware it was on the top of Shakespeare Cliff not at the Hoe."
Kent Police also say their call log says Old Folkestone Road,which is close to the cliff, as well as Samphire Hoe.
Samphire Hoe is at the bottom of Dover's western cliffs and accessible by a road tunnel.
It is reclaimed land following the digging of the Channel Tunnel in the later 1980s and early 1990s.