Four men have been arrested in connection with paramilitary activity in Co Londonderry.
The men - aged 31, 53, 58 and 62 - were held by police investigating paramilitary activity in the Dungiven area over the last four years.
The suspects were detained at various properties this morning.
A number of house searches are being carried out, police said.
Detective chief inspector Una Jennings said: "We are investigating various forms of paramilitary activity in the area, predominantly over the last four years.
"These include shooting incidents and threats. The suspects have been taken to the Serious Crime Suite at Antrim police station for questioning."