A man has been charged with possession of firearms and explosives following last week's searches in Co Londonderry.
Police said the charges against the 43-year-old man were in connection with an "ongoing terrorism investigation".
He is due to appear at Londonderry Magistrates' Court on Thursday.
Last week a number of searches were carried out in the Creggan area of Londonderry, resulting in the seizure of explosive devices, pistols and quantities of ammunition.
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