Gardaí and the emergency services are currently working at Sliabh Liag
Gardaí and emergency services are currently engaged in an operation in the Sliabh Liag area in south-west Donegal.
It is understood the Coast Guard helicopter has been called in to assist.
Public access is currently restricted to facilitate this operation.
"As this is an ongoing operation, no further information is available," said a garda spokesman a short time ago.
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