Breaking news: A major Garda operation has taken place in Ramelton this afternoon.
A white van was stopped by undercover detectives on the bridge in the town.
Eye-witnesses have told Donegal Daily that the driver was handcuffed and the van was searched around 3pm.
The van was coming from the Milford direction and was being driven towards Letterkenny.
The man arrested is understood to be from Northern Ireland.
Sources have revealed the man is wanted for questioning by Gardai and the PSNI in connection with serious crime.
The eye-witness said “The van was stopped on the bridge by a number of undercover Garda cars with lights flashing on them.
“The driver was taken out of the van and put on the ground. It looked like he had been handcuffed.
“The Gardai were then searching the van and had the bonnet of the van pulled up.”